Functions

The point (1, 2k + 1) lies on the graph of the equation y = 2(0.4)^x + k. Which point also lies on the graph of the given equation?

• (-1, -1)

• (-1, 1)

• (0, -0.2)

• (0, 1.8)

A system of inequalities is given.
y ≥ 2x + 1
y < -x + 5
Which graph represents the solution to the system of inequalities?

• 
• 

Tags

CCSS.HSA.REI.D.12

A system of equations is given. x + 3y = 1 -2x - y = -2 Which system of equations has the same solution as the given system?

• -2x + 3y = 1 -2x - y = -2

• 2x + 6y = 1 2x + y = 2

• -x - y = -2

• 2x + 6y = 2 -2x - y = -2

Tags

CCSS.8.EE.C.8B

A system of equations is given. y = 2x + 5 y = (1/4)x - 1/4 What is the solution of the system?

• (-3, -1)

• (2, 9)

• (0, 5)

• (1, 7)

Tags

CCSS.8.EE.C.8B

Casey hires workers for a landscaping project. The function C describes the total cost C(h) for the landscaping project.
- The total cost of the materials is 15 per hour.
- Three workers each charge $15 per hour.
- Each landscaper works for h hours.

Complete the equation for function C.

• 80 + 45h

• 80 + 15h

• 45h + 15

• 80h + 45

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The number of bacteria on a microscope slide doubles every hour. There are initially 4 bacteria present. Create an explicit function f to model the growth after n hours.

Tags

CCSS.HSF.LE.A.2

The graphs of two functions, f(x) and g(x), where g(x) = f(x) + h, are shown. Based on the graph, what is the value of h?

• h = 5

• h = -3

• h = 0

• h = 2

Complete the table using the function f(x) = 2(x + 2) + 4x. What is x if f(x) = 16?

• x = 2

• x = 4

• x = 1

• x = 0

Tags

CCSS.HSF.IF.A.2

Complete the table using the function f(x) = 2(x + 2) + 4x. What is x if f(x) = 94?

• x = 15

• x = 10

• x = 20

• x = 25

Tags

CCSS.HSF.IF.A.2

A table of the nth term in an arithmetic sequence is shown. What is f(1)?

• f(1) = 8

• f(1) = 5

• f(1) = 10

• f(1) = 12

Tags

CCSS.HSF.BF.A.2