Pre Calculus Review 1-4

Where is the function decreasing?

• (-∞, -1)

• (-1, ∞)

• (-∞, 3)

• (-∞, ∞)

In the above graph complete the following end behavior:
As x --> -∞, f(x) --> ____
As x --> +∞, f(x) --> ____

• -∞
  -∞

• +∞
  -∞

• -∞
  +∞

• +∞
  +∞

What is the range of the graph?
Remember: Range is y! 

• 1 ≤ x ≤ 5

• 1 < x < 5

• 1 ≤ y ≤ 5

• 1 < y < 5

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the domain of the graph?
Remember:  Domain is x

• 1≤ x ≤ 4

• 1 < x < 4

• 1≤ y ≤ 4

• 1 < y < 4

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

When a 3x6 matrix is multiplied by a 6x5 matrix, what will the dimensions of the product be?

• 6x6

• 3x6

• 3x5

• 5x6

Tags

CCSS.HSN.VM.C.8

Solve the system of equations: 

• ( 4, 0, -2)

• ( -4, -2, 0)

• None of these

• ( -4, 0, -2)

Wyatt and Emerson went shopping at a back-to-school sale where all shirts and shorts were the same price. Wyatt spent $175 on 7 new shirts and 7 pairs of shorts. Emerson purchased 6 new shirts and 7 pairs of shorts and paid a total of $165. How much did one shirt cost?

• $5

• $10

• $15

• $20

Tags

CCSS.8.EE.C.8C

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i

• B.  -23 - 29i

• C.  -34 + 13i

• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.1

If w = <2, -5> and y = <2, 0>, find 2w + y

• <-10, 2>

• <4, -5>

• <-6, 10>

• <6, -10>