| A | B |
|---|
| f(x) = sqrt(x+2) and g(x) = 5-x. Find f(g(x)). | sqrt(5-x+2) |
| f(x) = sqrt(x+2) and g(x) = 5-x. Find g(f(x)). | 5-sqrt(x+2) |
| f(x) = sqrt(x+2) and g(x) = 5-x. Find (fog)(3) | 2 |
| f(x) = sqrt(x+2) and g(x) = 5-x. Find (gof)(3) | 5-sqrt(5) |
| What is the inverse of a function? | The relationship where the domain and range are switched. |
| f = {(0,1), (2,-4)}. Find the inverse of f. | {(1,0), (-4,2)} |
| f(x) = 3/x. Find the inverse of f. | y = 3/x |
| f(x) = 3x-1. Find the inverse of f. | y = (x+1)/3 |
| What is a composition of functions? | It's when the range of one function is used as the domain of another. |
| f(x) = 4x^2-3 and g(x) = 2+x. Find (fog)(x). | 4(2+x)^2-3 |
| f(x) = 4x^2-3 and g(x) = 2+x. Find (gof)(x). | 4x^2-1 |
| f(x) = 4x^2-3 and g(x) = 2+x. Find f(g(1)). | 33 |
| f(x) = 4x^2-3 and g(x) = 2+x. Find g(f(1)). | 3 |
