Find the Inverse
Are they really inverses?
Fun Facts
Random
100
What is the inverse of (2x+3)/4
What is 2x-(3/2)
100
f(x) = (x-5)/10
h(x)=10x+5
What is Yes
100
What is the notation for inverse function?
What is 
100
Find f(g(x))
g(x)=2x+7 f(x)=4x
What is 8x+14
200
What is the inverse of 3x+1
What is (x-1)/3
200
f(x) =3(x-9)
g(x) =(1/3x) + 9
What is Yes
200
The graph of a function that passes through the point (-3,4). What point must lie on the graph of the function's inverse?
What is (4,-3)
200
Simplify (6x+3)/3
What is 2x
300
The inverse of g(x)=(8-5x)/4
What is (4x-8)/5
300
No
300
What line helps us see if two functions are inverses?
y=x
300
What are the 3 forms in showing inverses?
Graph, function, table
400
g(x) = 1/2(x-6)
What is 2x+6
400
g(x) = (8+9x)/2
f(x)=(5x-9)/2
What is No
400
The way to graph the inverse of the relation {(-9,3), (-7,-10), (-4,2), (2, 6)} is to
switching x and y
400
Solve
(5x) (4x3)
What is 20x4
500
f(x) =x2 +4
What is sq rt(x-4)
500
f(x) = 2x+2 g(x)=2x-2
No
500
If the original function fails the HORIZONTAL LINE TEST what can you infer about its invers?
That the inverse is not a function.
500
Find h(f(x)).
f(x)=-2x
h(x)=x^2+3x-10
h(f(x))=(-2x)^2+3(-2x)-10
h(f(x))=4x^2-6x-10