Unit 5 Review

Front

What is the value of f(4) if f(x) = 4x + 5?

Back

21

Front

If f(x) = x + 3, what is the value of x when f(x) = -5?

Back

-8

Front

What does c(7) represent in the function c(m) = 1.45m + 3.50?

Back

The cost to ride 7 miles

Front

Does the mapping diagram with repeating input values represent a function?

Back

No, because there are repeating input values

Front

What is the value of x if f(x) = -2 in the function f(x) = 4x - 8?

Back

8

Front

Define a function in mathematics.

Back

A relation where each input has exactly one output.

Front

What is the slope of the line represented by the function f(x) = 4x + 5?

Back

4

Front

What does the y-intercept represent in a linear function?

Back

The value of y when x = 0.

Front

How do you determine if a relation is a function using a mapping diagram?

Back

Check if any input value is paired with more than one output value.

Front

What is the output of the function f(x) = 2x - 3 when x = 5?

Back

7