Math Relations and Functions Review

What's the initial value of the equation y = 2x + 4

• 4

• -4

• 2

• 2x

• Function
• Not a Function

Is the relation a function?

• Yes, each input has exactly one output

• Yes, each output has exactly one input

• No, each output has more than one input

• No, each input only shares an output

Use the graph to write a linear function that relates y to x.

Does the table represent a linear or nonlinear function?

• A) linear

• B) nonlinear

The table shows the number y lollipops made in x batches. What is the missing y-value that makes the table represent a linear function?

• 44

• 42

• 64

• 48

Use the table to write a linear function that relates y to x.

• y = x - 4

• y = -x + 4

• y = x + 4

• y = -x - 4

Which Equation Describes the function shown by the table?

Is the relation a function?

• Yes, each input has exactly one output

• Yes, each output has exactly one input

• No, an input has more than one output

• No, an output does not have the same input

Use the graph to write a linear function that relates y to x.