Exponential Functions

Front

Evaluate f(3) for f(x) = -x²

Back

-9

Answer explanation

f(x) = -x² for f(3)

-(3)²

-(3 ⋅ 3)

-9

Front

Evaluate f(-3) for f(x) = x²

Back

9

Answer explanation

f(x) = x² for f(-3)

(-3)²

(-3 ⋅ -3)

9

Front

What type of relationship does the equation y = 2x - 5 represent?

Back

linear

Answer explanation

y = 2x - 5 is in slope-intercept form

This is a linear equation

Front

Is the Equation Linear or Exponential?

Back

Linear

Answer explanation

The y value increases by +4

repeated addition

therefore it's a linear table

Front

Is the Equation Linear or Exponential?

Back

Exponential

Answer explanation

Each y value gets multiplied by 2

repeated multiplication

therefore it's an exponential table

Front

A(n) _________________ function will ADD the same number each time.

Back

Linear

Front

A(n) _________________ function will MULTIPLY the same number each time. Options: Linear, Exponential, Neither

Back

Exponential

Front

What is the pattern for this table? Options: +5, -5, x5, x2

Back

+5

Front

What is the pattern for this table? Options: +5, -5, x2, +2

Back

x2

Front

Uber charges an initial fee of $2 plus $0.75 per mile. What type of function is this? Options:

Linear 

,

Exponential 

,

Neither 

Back

Linear

Answer explanation

Each mile you add $0.75 to the overall price, this is repeated addition, so this is a linear model.