Ch 1.3 v2

Front

What is a function?

Back

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

Front

Is #12 a function?

Back

No

Front

Evaluate f(-4) if f(x) = 2x - 3.

Back

-11

Front

Is #8 a function?

Back

No

Front

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

Back

7

Front

Evaluate f(t+2) if f(x) = 3x + 1.

Back

3t + 7

Front

What does it mean for a relation to be a function?

Back

It means that for every input, there is exactly one output.

Front

What is the output of f(x) = x^2 when x = 3?

Back

9

Front

What is the output of f(x) = x + 5 when x = -2?

Back

3

Front

If f(x) = 4x - 1, what is f(0)?

Back

-1