FUNCTIONS

FUNCTIONS

1. GRAPHS OF FUNCTIONS

   • TRIGONOMETRIC
   • CUBIC
     • y=x'3
   • LINEAR
     • y=x
   • QUADRITIC
     • y=x'2

2. INVERSE OF A FUNCTION

   • f(x) -> f'-1(x)
     • f(x)= 3x-2/x+4
       • f'-1(x)= -4x-2/x-3
     • f(x)= x+3
       • f'-1(x)= x-3
     • f(x)= 2x-3
       • f'-1(x)= x+3/2
     • f(x)= ax+b/cx+d
       • f'-1(x)= -dx+b/cx-a
     • f(x)= ax+b
       • f-1(x)= x-b/a

3. EVEN AND ODD FUNCTIONS

   • ODD
     • f(-x)= -f(x)
   • EVEN
     • f(-x)= f(x)

4. COMPOUND FUNCTION

   • fog(x)= f(g(x))
     • f(x)= 2x+4
       • g(x)= x-2
       • fog(x)= f(g(x))
         • f(x-2)= 2*(x-2)+4

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