Test
quiz (fonctions avancées)
Preguntas del test (36)
1How do you find the real roots of the following equation?
- Aby cross multiplying
- Bby multiplying the two terms by both denominators
2For transformations, what happens when a > 1?
- Avertical stretch by a
- Bvertical compression by a
3For transformations, what happens when k > 1
- Ahorizontal compression by 1/k
- Bhorizontal stretch by 1/k
4For 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.
- AVerdadero
- BFalso
5If d is positive in the general transformed form that means ______________
- Ad is negative and moves the graph to the left
- Bd is positive and moves the graph to the right
6How do you find the real roots of this equation?
- Aby multiplying both sides by x (b-x)
- Bby cross multiplying
- Cby factoring out the gcf
7This equation corresponds with
- Alog (b) x = y
- Blog (b) y = x
- Clog (x) b = y
- Dlog (y) x = b
8Both equations equal
- Aa
- Blog
- Cx
9How do you calculate log (a) x?
- A(log x)/(log a)
- B(log a)/(log x)
10How is this equation calculated?
- Aln (98)/ ln (12) = x
- Bln (12)/ ln (98) = x
11125^(2x) corresponds with
- A2 ln 125
- B125 ln 2
- C21 ln 25
12This equation corresponds with
- A(5 ln (8))/(3 ln (8) - (6 ln (3)) = x
- B(3 ln (8))/(6 ln (3)) - (5 ln (8)) = x
- C(6 ln (3))/(5 ln (8) - (3 ln (8)) = x
13How do you calculate this equation?
- A(5 ln (8)) + (7 ln (3))/(3 ln (8)) - (6 ln (3))
- B(5 ln (8)) + (3 ln (8))/(7 ln (3))- (6 ln (3))
- C(5 ln (8)) - (7 ln (3))/(3 ln (8)) + (6 ln (3))
14(3^5 - 1) ⚫ 3^x = 177 876 corresponds with the equation in the image
- Ayes.
- Bno, it's (3^5 + 1) ⚫ 3^x = 177 876
15if we factor 8^(x+7) - 8^x, you get (8^7 -1) ⚫ 8^x
- AVerdadero
- BFalso
16select every true statement
- Af(x) =/= f(-x) =/= -f(x) → f(x) is neither
- Bf(x) = f(-x) → f(x) is even
- Cf(-x) = -f(x) →f(x) is odd
- Df(-x) = -f(x) →f(x) is neither
- Ef(x) =/= f(-x) =/= -f(x) → f(x) is even
- Ff(x) = f(-x) → f(x) is odd
17this formula helps find the __________
- Ainstantaneous rate of change
- Bthe average rate of change
18How do you find the instantaneous rate of change?
- Aby using ( f(x + 0.0001) + f (x) ) / 0.0001
- Bby using ( f (x2) - f (x1) ) / (x2) - (x1)
19Given that f(x)=x+1 and g(x)= 7x^2+11x−9 what would the equation for g (o) f be?
- A7(x + 1) ^2+11(x + 1) − 9
- B(7x^2+11x−9 ) + 1
20How do you calculate a DEPRECIATION rate?
- Anew worth = original worth (1-r)^(number of years)
- Bnew worth = original worth (1+r)^(number of years)
21the formula used to find an APPRECIATION rate is new worth = original worth (1-r)^number of years
- AVerdadero
- BFalso
22If 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
- AVerdadero
- BFalso
23If 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 _________
- Aminimum
- Bmaximum
24What's the formula for finding an angle in radians?
- A(arc length) / (radius)
- B(radius) / (arc length)
- C(arc length) / (radians)
25Functions can only be combined if _____________
- Athey have a common domain
- Bthey have a common range
- Cthey have a common degree
- Dthey have common graph
26When combining functions, keep the _ values the same while applying the operations to the _ values
- Ax, y
- By, x
27x^2+ rx + sx + c where r ◉ s = c and r + s = b
which polynomial am I factoring?- Acomplex trinomial
- Bsimple trinomial
- Ccomplex binomial
- Dcomplex polynomial
28(ax^2+bx+c where r ◉ s = ac and r + s = b) is used to factor a COMPLEX trinomial
- AVerdadero
- BFalso
29How convert an angle in DEGREES to RADIANS? (180 D, 180 DOWN)
- Aangle in degrees x (180/π) = angle in radians
- Bangle in degrees x (π/180) = angle in radians
30How to convert an angle in RADIANS to DEGREES? (180 R, 180 RISE)
- Aangle in radians x (180/π) = angle in degrees
- Bangle in radians x (π/180) = angle in degrees
31select every true statement concerning sinusoidal functions. read your answers carefully.
- Ad is the starting point.
- Ba is the starting point.
- Cto find a, we use the formula: (maximum + minimum)/ (2)
- Dto find c, we use the formula: (maximum - minimum)/ (2)
- Eto find a, we use the formula: (maximum x minimum)/ (2)
- Fthe amplitude is the length of one cycle.
- Gthe period is the length of one cycle.
- H(2pi)/ (period) is the formula used to find k.
- I(period)/ (2pi) is the formula used to find k.
- J(2pi) x (period) is the formula used to find k.
32when the multiplicity of a factor is even, the graph ______
- Acrosses the x axis
- Bbounces off the axis
33when the multiplicity of a factor is odd, the graph ______
- Acrosses the x axis
- Bbounces off the x axis
34when it comes to the equation ( ax + b ) / ( cx + d), select every statement that is true.
- Awe can find its vertical asymptote by finding the x intercept of the denominator
- Bwe can find its horizontal asymptote by dividing a/c
- Cwe can find its x intercept by solving the numerator
- Dwe can find its y intercept by setting x's of the equation to 0
- Ewe can find its horizontal asymptote by dividing c/a
- Fwe can find its vertical asymptote by finding the y intercept of the numerator
- Gwe can find its x intercept by setting y's of the equation to 0
- Hwe can find its x intercept by solving the denominator
35in trigonometry, which functions are EVEN?
- Acot
- Btan
- Csin
- Dcsc
- Esec
- Fcos
36how do you determine the domain and range of this function?
- Awhen a is negative: { YER l y < c }
- Bwhen a is positive: { YER l y > c }
- Cwhen k is positive: { XER l x > d}
- Dwhen k is negative: { XER l x < d }
- Ewhen k is negative: { XER l x > d }
- Fwhen a is positive: { YER l y < c }
Información
- Descripción
- read answers CAREFULLY.
- Autor
- Davina Mukundi
- Idioma
- English
- Visitas
- 24
- Historial
- Creado el 10 feb 2021 · actualizado el 22 feb 2021
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