Math Functions Review

Which of the following equations is the rule for this sequence: 6, 11, 16, 21, . . .

• a_n = 5n + 1

• a_n = 6n - 2

• a_n = -4n+ 10

• a_n = 6n + 5

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1

• a_n = 3(4)^n-1

• a_n = -4(3)^n-1

• a_n = 3(-4)^n-1

Tags

CCSS.HSF.BF.A.2

The rule for finding a_n of a geometric sequence is

a_n = 10(2)^n-1 What is the common ratio(r) of the sequence?

• ²

• ¹⁰

• ²⁰

• 2ⁿ

Tags

CCSS.HSF.BF.A.2

Which bike rental option costs less per hour?

• Company A

• Company B

Tags

CCSS.8.EE.B.5

Jason runs at a pace of 7 miles per hour and his friend runs at a pace represented by the equation y = 6x where y is distance in miles and x is time in hours. Who runs faster?

• Jason because he runs at a pace of 6 miles per hour.

• His friend because he runs at a pace of 6 miles per hour.

• Jason because he runs at a pace of 7 miles per hour.

• His friend because he runs at a pace of 7 miles per hour.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

2 different lawn mowing companies pay their employees a fixed amount plus a dollar amount for every lawn mowed.

Which company pays more money per lawn mowed?

• Company A

• Company B

Tags

CCSS.8.EE.B.5

• Graph

• Equation

• The graph

• The equation

• Neither, they are the same

The following mapping is​ (a)   because ​ ​ (b)   .

• a function

• each input maps to exactly one output.

• not a function

• both a function and one-to-one

• each output maps to exactly one input

• neither the x's or y's repeat

Tags

CCSS.8.F.A.1

The following mapping is​ ​ (a)   because ​ ​​ ​ (b)   .

• both a function and one-to-one

• neither the x's or y's repeat

• not a function

• each output maps to exactly one input

• a function

• each input maps to exactly one output.

Tags

CCSS.8.F.A.1