Chapter 4 Functions

A taxi service charges an initial fee of $5 plus an additional $1.50 per mile (m) driven. Which function represents the total cost (c) of a taxi ride?

• c = $5 + $1.50

• c = $1.50 + $5m

• m = $1.50 + $5c

• c = $5 + $1.50m

Tags

CCSS.HSF-BF.A.1A

Is this a linear function?

• yes

• no

Tags

CCSS.8.F.A.3

What is the value of the missing output?

• 44

• 42

• 30

• 36

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The output is four times the input.

• y = x/4

• 4x

• y = 4x

• y = x +4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The number of multiple-choice questions on a test is ten times the number of open-ended questions. Write a function that describes the relationship.

• y = 10x

• x = 10/y

• y = 10 + x

• x = 10 + y

Tags

CCSS.HSF-BF.A.1A

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Which linear equation represents the graph?

• y = 3/2x + 4

• y = -2/3x + 4

• y = 4/5x - 4

• y = 2/3x - 4

Which function matches the graph?

• y = 3

• x = 3

• y = 0

• undefined

Find the value of y for the given value of x.

y = x/3 + 5; x = 30

• 95

• 15

• 8.3

• 11.6

Tags

CCSS.6.EE.C.9

The number of minutes you stand in line is five times the number of people in line. How long will you stand in line if there are 10 people in line?

• 50 minutes

• 2 minutes

• 15 minutes

• 5 minutes

Tags

CCSS.HSF.LE.B.5