IMSA Functions and Graphing

Question 1

Which of the following represents a function?

Accepted Answer

Each input has exactly one output

Answer

One input can have multiple outputs

Answer

Each output must equal its input

Answer

Inputs and outputs are always equal

Question 2

What is the domain of f(x) = 1/(x − 3)?

Accepted Answer

All real numbers except x = 3

Answer

All real numbers

Answer

x > 3 only

Answer

x ≥ 3

Question 3

If f(x) = x² − 4, what is f(−2)?

Accepted Answer

0

Answer

−8

Answer

4

Answer

8

Question 4

What is the range of f(x) = |x|?

Accepted Answer

y ≥ 0

Answer

All real numbers

Answer

y > 0

Answer

y ≤ 0

Question 5

What does the graph of y = x² look like?

Accepted Answer

A parabola opening upward

Answer

A straight line

Answer

A parabola opening downward

Answer

A circle

Question 6

For the function y = 3x − 1, what is the output when the input is 4?

Accepted Answer

11

Answer

13

Answer

9

Answer

3