Functions Assessment Review Unit 5 8th

What is the correct assertion about the given function?

• Time is a function of temperature

• Temperature is a function of time

• Time is not related to temperature

• This is not a function.

The temperature was increasing from

• noon to 11

• It was decreasing

• noon to 7:30

• noon to 5

How many times was the temperature 73 during the day?

• three times

• once

• four times

• twice

The temperature did not change between

• 7 and 10

• 12 and 6

• 10 and 12

• Correct answer not given

What was the fastest speed in miles per hour?

• 1 mile per hour

• 2 miles per hour

• 3 miles per hour

• 6 miles per hour

How many hours was the hiker taking a break?

• 1.5 hours

• 2 hours

• She never stopped

• 3 hours

Choose the correct story

• Julie ran to her friends house, then went home. She later went to the store and then to the library.

• Julie ran to her friends house, and they then walked to the store. They shopped for two hours and then walked to the library and stayed a while.

• Julie ran to her friends house, stayed a while to record a tic-tok and then went home.

• Julie ran to the store and then shopped with her friend. they then went back home.

For how many hours was Tory either walking or running?

• 2

• 2.5

• 5.5

• 5

Interpret this graph of someone's distance from home as a function of time.

• Athlete a runs for 8 seconds to a distance of 20 yards, rests for 3 seconds and then walks back to where they began. They then begin to move away again.

• Athlete b walks for 6 seconds, rests for 3 seconds and then runs back to where they began. They then begin to move away again.

• Athlete c walks to a distance of 20 yards in 7 seconds, rests for 3 seconds and then runs back to where they began. They then begin to move away again.

• Athlete d walks to a distance of 20 yards in 7 seconds, rests for 6 seconds and then walks back to where they began. They then begin to move away again.

How many times was this athlete 5 or more yards away from the starting point?

• 1

• 2

• 3

• 4