IM Grade 8 Unit 5 Review

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

(U5. L1.) Given the rule, what is the output if the input is 4?

• 4

• 4.5

• 6

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

This table corresponds to inputs and outputs. Could this represent a function rule? Select the correct answer and the correct reason.

• Function because each input has one output.

• Not a function because each input has one output

• Function because the input -2 has two different outputs.

• Not a function because the input -2 has two different outputs.

Tags

CCSS.8.F.A.1

Select all true statements

• Time is a function of temperature

• The temperature was increasing between 7:00 and 9:00

• The temperature was 57 degrees twice during the 12-hour period.

• Temperature is a function of time.

Tags

CCSS.HSF.IF.A.2

Select all true statements.

• The tub was filling faster at 10:14 than at 10:01.

• At 10:06, the tub was neither filling nor draining.

• The maximum amount of water in the tub was about 35 gallons

• The amount of water in the tub stayed the same from 10:16 to 10:20.

• It took 4 minutes for the tub to drain.

Tags

CCSS.HSF.IF.B.4

So Fresh & So Clean charges money for each hour of work, plus a one-time fee. Which equation represents the cost of x hours of cleaning?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

So Fresh & So Clean charges money for each hour of work, plus a one-time fee. Using the graph what is the one time fee So Fresh charges?

Tags

CCSS.HSF.LE.B.5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Name the time period where Mai gained elevation at the fastest rate.

• Mai gained elevation at the fastest rate between 0  and  22 minutes.

• Mai gained elevation at the fastest rate between 22 and  26 minutes.

• Mai gained elevation at the fastest rate between 26 and  32 minutes.

• Mai gained elevation at the fastest rate between 32 and  40 minutes.

Tags

CCSS.HSF.IF.B.4