Ch 11 Functions

Question 1

composite function

Answer 1

When one function g(x) is used as an input to another function f(x).

Question 2

domain

Answer 2

The set of all possible input x values to a function.

Question 3

range

Answer 3

The set of all possible output values y from a function.

Question 4

rational function

Answer 4

Functions that typically have a variable in the denominator.

Question 5

zeroes

Answer 5

The values of x such that f(x) = 0. Graphically, the zeroes are where a function intersects the x-axis.

Question 6

inverse function

Answer 6

Found by swapping the x and y values and solving for y.