Function Expressions

Dan can wash the tables in 20 minutes while David can wash them in 12 minutes.  What equation would you use to find the time it would take both boys to wash the tables if they work together?

• 20x-12x=1

• 20x+12x=1

• (x/20)+(x/12)=1

• (x/20)-(x/12)=1

Tags

CCSS.HSA.CED.A.1

Q1. What is the result of 10 - 30?

• 20

• -20

• 2

• 10

Tags

CCSS.8.EE.C.7B

• -4
• -6
• -2
• 2

Tags

CCSS.HSA.APR.D.6

Solve for x:

• x = 0 , 4

• x = 1 , 3

• x = -4 , 0

• x = 5 , 2

Tags

CCSS.HSA.REI.A.2

Subtract, factor, simplify

• A

• B

• C

• D

Tags

CCSS.HSA.APR.D.7

Solve for r

• 5

• - 5, 4

• - 5

• 5, 4

Tags

CCSS.HSA.REI.A.2

What are the asymptotes?

• x=-3, y=1

• x=3, y =1

• x=-3, y =-1

• x=3 y=-1

Tags

CCSS.HSF-IF.C.7D

For the function f(x) = -3x + 3 find f(0).

• 0

• -3

• 3

• -1

Tags

CCSS.HSF.IF.A.2

Given f(x) = 2x-3, what is the value of f(3)?

• 7

• 4

• 3

• 1

Tags

CCSS.HSF.IF.A.2

Given f(x) = x² - 1, what is the value of f(10)?

• 100

• 101

• 99

• 9

Tags

CCSS.HSF.IF.A.2