Evaluating Functions

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Front

What does it mean to evaluate a function?

Back

To evaluate a function means to calculate the output of the function for a specific input value.

Front

Evaluate f(-2) if f(x) = x + 3.

Back

1

Front

What is the output of f(x) = 2x + 4 when x = 2?

Back

8

Front

Evaluate f(6) if f(x) = 8x - 24.

Back

48

Front

Evaluate f(10) for f(x) = -2x + 13.

Back

-7

Front

What is the output of f(x) = 3x - 5 when x = 4?

Back

7

Front

Evaluate f(-4) if f(x) = -4x + 8.

Back

24

Front

What is the value of f(0) if f(x) = x^2 + 3?

Back

3

Front

Evaluate f(3) for f(x) = x^2 - 9.

Back

0