Midterm Mixed Review

What is f(-1)?

• 6

• -2

• sqrt(2)

• cannot be determined

Which graph matches:

4-x for x<2

2x-6 for x>=2

• A

• B

• C

• D

What is g(7) if:

• -17
• -13 
• 13       
• 17

Tags

CCSS.HSF.IF.A.2

Which of the following inequalities matches the given graph?

• x ≥ -1
• x ≤ -1
• x > -1
• x < -1

Tags

CCSS.HSA.REI.D.12

Which are vertices of the feasible region?

• (0, 3) (3, 0) (5, 8)

• (0, 6) (3, 5) (6, 5)

• (3, 3) (8, 5) (5, 8)

• (0, 5) (6, 0) (3, 3)

Tags

CCSS.HSA.REI.D.12

Given the objective function: P = 30x + 50y

Which vertex maximizes the profit?

• (0,0)

• (6,2)

• (8,0)

• (0,6)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.12

What is the y-intercept?

• (6, 0)
• (0, 6)
• (-3, 0)
• (0, -3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

What are the green dots called?

• y-intercepts

• maximum

• minimum

• x-intercepts

On what interval is the graph decreasing?

• (∞, 3)
• (3, -∞)
• (3, ∞)
• (-∞, 3)

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the minimum?

• None
• (0,4)
• (3,1)
• y = -1

Tags

CCSS.HSF-IF.C.7A