Math 3 Unit 1A: Piecewise Functions

The amount of money Sarah earns per week is modeled by the function W below where h represents the number of hours Sarah works in a week.If Sarah worked a total of 48 hours last week, how much money did she earn?

• $384
• $416
• $576
• $896

This shows a function. What is the value off(–3) + f(–2)?

• –16
• 1
• 4
• 6

Tags

CCSS.HSF.IF.A.2

Susan rents a car. She uses this function to determine the cost, f(x), in dollars, based on the number of miles, x, she drives. Susan drives 50 miles. What is the total charge?

• $37.50
• $87.50
• $162.50
• $200.00

This shows a function. What is the value off(1)?

• –3
• 3
• 9
• 16

Tags

CCSS.HSF.IF.A.2

This shows a function. What is the value of f(0) + f(2)?

• –17
• –15
• 4
• 6

Tags

CCSS.HSF.IF.A.2

Bella uses this function to determine the cost, in dollars, of x pounds of hamburger meat.What is the cost of 5 pounds of hamburger meat?

• $2.25
• $3.75
• $11.25
• $18.75

Given the function below, determine the value of f(-1) and f(3).

• f(-1) = -1 and f(3) =3
• f(-1) = 3 and f(3) = 3
• f(-1) = 0 and f(3) = -2
• f(-1) = -1 and f(3) = 2

Tags

CCSS.HSF.IF.A.2

This shows a function.What is the value of f(2) – f(–2)?

• -9
• -3
• 7
• 8

Tags

CCSS.HSF.IF.A.2