Exam: 01.02 Introduction to Functions

Let f(x) = 2x + 2. Solve f−1(x) when x = 4.

1

Let f(x) = x2 − 8x + 5. Find f(−1).

14

Let f(x) = 2x − 6. Solve f−1(x) when x = 2.

4

Let f(x) = x2 − 81. Find f−1(x).

Don't choose this it's wrong and for anyone that says it right I got 0 points for choosing it > 1 over quantity x squared minus 81

Let f(x) = 5x + 12. Find f−1(x)

quantity of x minus 12 over 5

Let f(x) = x − 2 and g(x) = x2 − 7x − 9. Find f(g(−1)).

−3

Let f(x) = −4x + 7 and g(x) = 10x − 6. Find f(g(x)).

−40x + 31

Let f(x) = 12 over the quantity of 4 x + 2. Find f(−1).

−6

Let f(x) = x + 8 and g(x) = x2 − 6x − 7. Find f(g(2)).

−7

Let f(x) = 9x − 2 and g(x) = −x + 3. Find f(g(x)).

−9x + 25