Chap 22 - functions

Question 1

note: when rearranging formula, find common factors

Question 2

ways to write functions

Answer 2

f(x) = 2x, f : x -> 2x

Question 3

composite functions

Answer 3

-do the functions with another function within

Question 4

note: for composite functions, if the function is with its inverse, answer is the value in ( )

Question 5

finding inverse functions

Answer 5

-write function as y = mx + c
-swap y & x positions
-solve for y