quiz (fonctions avancées)

Question 1 of 36

1

How do you find the real roots of the following equation?

Select one of the following:

by cross multiplying
by multiplying the two terms by both denominators

Explanation

Question 2 of 36

1

For transformations, what happens when a > 1?

Select one of the following:

vertical stretch by a
vertical compression by a

Explanation

Question 3 of 36

1

For transformations, what happens when k > 1

Select one of the following:

horizontal compression by 1/k
horizontal stretch by 1/k

Explanation

Question 4 of 36

1

For transformations, when (a) is negative there is a reflection of the x axis and when (k) is negative there is a reflection of the y axis.

Select one of the following:

True
False

Explanation

Question 5 of 36

1

If d is positive in the general transformed form that means ______________

Select one of the following:

d is negative and moves the graph to the left
d is positive and moves the graph to the right

Explanation

Question 6 of 36

1

How do you find the real roots of this equation?

Select one of the following:

by multiplying both sides by x (b-x)
by cross multiplying
by factoring out the gcf

Explanation

Question 7 of 36

1

This equation corresponds with

Select one of the following:

log (b) x = y
log (b) y = x
log (x) b = y
log (y) x = b

Explanation

Question 8 of 36

1

Both equations equal

Select one of the following:

a
log
x

Explanation

Question 9 of 36

1

How do you calculate log (a) x?

Select one of the following:

(log x)/(log a)
(log a)/(log x)

Explanation

Question 10 of 36

1

How is this equation calculated?

Select one of the following:

ln (98)/ ln (12) = x
ln (12)/ ln (98) = x

Explanation

Question 11 of 36

1

125^(2x) corresponds with

Select one of the following:

2 ln 125
125 ln 2
21 ln 25

Explanation

Question 12 of 36

1

This equation corresponds with

Select one of the following:

(5 ln (8))/(3 ln (8) - (6 ln (3)) = x
(3 ln (8))/(6 ln (3)) - (5 ln (8)) = x
(6 ln (3))/(5 ln (8) - (3 ln (8)) = x

Explanation

Question 13 of 36

1

How do you calculate this equation?

Select one of the following:

(5 ln (8)) + (7 ln (3))/(3 ln (8)) - (6 ln (3))
(5 ln (8)) + (3 ln (8))/(7 ln (3))- (6 ln (3))
(5 ln (8)) - (7 ln (3))/(3 ln (8)) + (6 ln (3))

Explanation

Question 14 of 36

1

(3^5 - 1) ⚫ 3^x = 177 876 corresponds with the equation in the image

Select one of the following:

yes.
no, it's (3^5 + 1) ⚫ 3^x = 177 876

Explanation

Question 15 of 36

1

if we factor 8^(x+7) - 8^x, you get (8^7 -1) ⚫ 8^x

Select one of the following:

True
False

Explanation

Question 16 of 36

1

select every true statement

Select one or more of the following:

f(x) =/= f(-x) =/= -f(x) → f(x) is neither
f(x) = f(-x) → f(x) is even
f(-x) = -f(x) →f(x) is odd
f(-x) = -f(x) →f(x) is neither
f(x) =/= f(-x) =/= -f(x) → f(x) is even
f(x) = f(-x) → f(x) is odd

Explanation

Question 17 of 36

1

this formula helps find the __________

Select one of the following:

instantaneous rate of change
the average rate of change

Explanation

Question 18 of 36

1

How do you find the instantaneous rate of change?

Select one of the following:

by using ( f(x + 0.0001) + f (x) ) / 0.0001
by using ( f (x2) - f (x1) ) / (x2) - (x1)

Explanation

Question 19 of 36

1

Given that f(x)=x+1 and g(x)= 7x^2+11x−9 what would the equation for g (o) f be?

Select one of the following:

7(x + 1) ^2+11(x + 1) − 9
(7x^2+11x−9 ) + 1

Explanation

Question 20 of 36

1

How do you calculate a DEPRECIATION rate?

Select one of the following:

new worth = original worth (1-r)^(number of years)
new worth = original worth (1+r)^(number of years)

Explanation

Question 21 of 36

1

the formula used to find an APPRECIATION rate is new worth = original worth (1-r)^number of years

Select one of the following:

True
False

Explanation

Question 22 of 36

1

If the instantaneous rate of change is positive on the LEFT side of the turning point and negative on the RIGHT side of the turning point, it means that the turning point is a MINIMUM

Select one of the following:

True
False

Explanation

Question 23 of 36

1

If the instantaneous rate of change is negative on the left side of the turning point and positive on the right side of the turning point, it means that the turning point is a _________

Select one of the following:

minimum
maximum

Explanation

Question 24 of 36

1

What's the formula for finding an angle in radians?

Select one of the following:

(arc length) / (radius)
(radius) / (arc length)
(arc length) / (radians)

Explanation

Question 25 of 36

1

Functions can only be combined if _____________

Select one of the following:

they have a common domain
they have a common range
they have a common degree
they have common graph

Explanation

Question 26 of 36

1

When combining functions, keep the _ values the same while applying the operations to the _ values

Select one of the following:

x, y
y, x

Explanation

Question 27 of 36

1

x^2+ rx + sx + c where r ◉ s = c and r + s = b

which polynomial am I factoring?

Select one of the following:

complex trinomial
simple trinomial
complex binomial
complex polynomial

Explanation

Question 28 of 36

1

(ax^2+bx+c where r ◉ s = ac and r + s = b) is used to factor a COMPLEX trinomial

Select one of the following:

True
False

Explanation

Question 29 of 36

1

How convert an angle in DEGREES to RADIANS? (180 D, 180 DOWN)

Select one of the following:

angle in degrees x (180/π) = angle in radians
angle in degrees x (π/180) = angle in radians

Explanation

Question 30 of 36

1

How to convert an angle in RADIANS to DEGREES? (180 R, 180 RISE)

Select one of the following:

angle in radians x (180/π) = angle in degrees
angle in radians x (π/180) = angle in degrees

Explanation

Question 31 of 36

1

select every true statement concerning sinusoidal functions. read your answers carefully.

Select one or more of the following:

d is the starting point.
a is the starting point.
to find a, we use the formula: (maximum + minimum)/ (2)
to find c, we use the formula: (maximum - minimum)/ (2)
to find a, we use the formula: (maximum x minimum)/ (2)
the amplitude is the length of one cycle.
the period is the length of one cycle.
(2pi)/ (period) is the formula used to find k.
(period)/ (2pi) is the formula used to find k.
(2pi) x (period) is the formula used to find k.

Explanation

Question 32 of 36

1

when the multiplicity of a factor is even, the graph ______

Select one of the following:

crosses the x axis
bounces off the axis

Explanation

Question 33 of 36

1

when the multiplicity of a factor is odd, the graph ______

Select one of the following:

crosses the x axis
bounces off the x axis

Explanation

Question 34 of 36

1

when it comes to the equation ( ax + b ) / ( cx + d), select every statement that is true.

Select one or more of the following:

we can find its vertical asymptote by finding the x intercept of the denominator
we can find its horizontal asymptote by dividing a/c
we can find its x intercept by solving the numerator
we can find its y intercept by setting x's of the equation to 0
we can find its horizontal asymptote by dividing c/a
we can find its vertical asymptote by finding the y intercept of the numerator
we can find its x intercept by setting y's of the equation to 0
we can find its x intercept by solving the denominator

Explanation

Question 35 of 36

1

in trigonometry, which functions are EVEN?

Select one or more of the following:

cot
tan
sin
csc
sec
cos

Explanation

Question 36 of 36

1

how do you determine the domain and range of this function?

Select one or more of the following:

when a is negative: { YER l y < c }
when a is positive: { YER l y > c }
when k is positive: { XER l x > d}
when k is negative: { XER l x < d }
when k is negative: { XER l x > d }
when a is positive: { YER l y < c }

	Created by Davina Mukundi about 3 years ago

read answers CAREFULLY.

quiz (fonctions avancées)

Question 1 of 36

How do you find the real roots of the following equation?

Select one of the following:

Explanation

Question 2 of 36

For transformations, what happens when a > 1?

Select one of the following:

Explanation

Question 3 of 36

For transformations, what happens when k > 1

Select one of the following:

Explanation

Question 4 of 36

For transformations, when (a) is negative there is a reflection of the x axis and when (k) is negative there is a reflection of the y axis.

Select one of the following:

Explanation

Question 5 of 36

If d is positive in the general transformed form that means ______________

Select one of the following:

Explanation

Question 6 of 36

How do you find the real roots of this equation?

Select one of the following:

Explanation

Question 7 of 36

This equation corresponds with

Select one of the following:

Explanation

Question 8 of 36

Both equations equal

Select one of the following:

Explanation

Question 9 of 36

How do you calculate log (a) x?

Select one of the following:

Explanation

Question 10 of 36

How is this equation calculated?

Select one of the following:

Explanation

Question 11 of 36

125^(2x) corresponds with

Select one of the following:

Explanation

Question 12 of 36

This equation corresponds with

Select one of the following:

Explanation

Question 13 of 36

How do you calculate this equation?

Select one of the following:

Explanation

Question 14 of 36

(3^5 - 1) ⚫ 3^x = 177 876 corresponds with the equation in the image

Select one of the following:

Explanation

Question 15 of 36

if we factor 8^(x+7) - 8^x, you get (8^7 -1) ⚫ 8^x

Select one of the following:

Explanation

Question 16 of 36

select every true statement

Select one or more of the following:

Explanation

Question 17 of 36

this formula helps find the __________

Select one of the following:

Explanation

Question 18 of 36

How do you find the instantaneous rate of change?

Select one of the following:

Explanation

Question 19 of 36

Given that f(x)=x+1 and g(x)= 7x^2+11x−9 what would the equation for g (o) f be?

Select one of the following:

Explanation

Question 20 of 36

How do you calculate a DEPRECIATION rate?

x^2+ rx + sx + c where r ◉ s = c and r + s = b

which polynomial am I factoring?