8th U5 Test Review: Functions & Volume

(4, 2) Is a Point of the Function meaning inputting 4 results in output of 2.

Groups:

(a) (4,2) is a Point

,

(b) (4,2) in NOT a point

• 
• 
• 

Organize these options into the right categories

Groups:

(a) True

,

(b) False

• You distance decreased from 40 to 60 minutes.

• The furthest from home you were was 12 miles.

• Distance from Home was a function of time, meaning the distance depends on the time.

• Time is a function of distance, meaning the time depends your distance from home

• You were 6 miles from home only one time.

• Your distance increased from 0 to 30 minutes.

What was the initial value/starting amount?

• 14

• 10

• 0

• 12

Was the rate increasing, decreasing, or staying the same?

• Increase

• Decrease

• Staying the Same

What was the rate of change/slope/gallons per minute? Select the TWO true.

• • -14 gallons per minute

• -1 gallon per minute

• -1 gallon per 2 minutes

• -0.5 gallons per minute

Find the volume of the cylinder. (V = πr²h)

• 180π m³

• 540π m³

• 1350π m³

• 90π m³

What is the volume of the cone? (V = ⅓πr²h)

• 28π ft³

• 9.3333π ft³

• 32.6666π ft³

• 98π ft³

Given the volume of a cylinder is 60 cubic units, what would the volume of a cone be with the same radius and height?

(Cylinder = πr²h ; Cone =⅓πr²h)

• 60 cubic units

• 180 cubic units

• 20 cubic units

• 30 cubic units

What is 15π approximately ?

• 15

• 30

• 47.1

• 18.14