Comparing Linear, Exponential, and Quadratic Functions Practice

What type of function can model the story below?

The value of a rare collectable item is appreciating at 15% per year.

• Linear because this has a constant rate of change.

• Exponential because this grows at a constant percent rate

• Quadratic because this is a projectile motion model

What type of function is this and why?

• Linear Function ; common 1st difference

• Quadratic Function ; common 2nd difference

• Exponential Function; common ratio

• Not a Function

Which student represents a Quadratic Function?

• Beth

• Maria

• Tracy

• None of the above

Tags

CCSS.HSF-IF.C.7A

All Linear Functions have a __________________.

• Common 1st Difference

• Common Ratio

• Common 2nd Difference

• There's no way to tell

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What type of function can model the story below? Mr. Bob was mad at his teenage son for disobeying his curfew. He took his son's car keys and dropped them off a 100ft cliff.

• Linear because this has a constant rate of change.

• Exponential because this decays at a constant percent rate

• Quadratic because this is a projectile motion model

What type of function can model the story below?

A Instagram influencer makes a post on her social media. The number of likes on her post increases around 30% each day.

• Linear because this has a constant rate of change.

• Exponential because this grows at a constant percent rate

• Quadratic because this is a projectile motion model

What type of function does this equation represent? f\left(x\right)=4x^2-2x+1

• Linear Function

• Quadratic Function

• Exponential Function

• Not a Function

• Linear Function

• Quadratic Function 

• Exponential Function

• Not a Function

What type of function does this equation represent? f(x)=(x+1)(x-3)

• Linear Function

• Quadratic Function

• Exponential function

• Not a Function

All Quadratic Functions have a ________________

• Common Ratio

• Common 1st Difference

• Common 2nd Difference

• None of these