Open Up Unit 2 Review

 $A\left(t\right)=900\left(0.85\right)^t$  

The equation above represents the value of a motor scooter t years after it was purchased. 

Which statement below is true?

• When new, the scooter cost $765

• When new, the scooter cost $900

• The scooter's value is decreasing at a rate of 85% each year

• The scooter's value is increasing at a rate of 85% each year

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

 $A\left(t\right)=900\left(0.85\right)^t$  

The equation above represents the value of a motor scooter t years after it was purchased. 

By how much is the value increasing or decreasing?

• The value is increasing by 85% each year

• The value is decreasing by 85% each year

• The value is increasing by 15% each year

• The value is decreasing by 15% each year

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

A salesperson earns a weekly salary plus a commission on each appliance he sells. The function below shows his weekly earnings if x represents the number of appliances he sells during the week.

 $p\left(x\right)=200+0.5x$   

Which statement below is true?

• His weekly salary is $205

• He earns $200 for each appliance he sells

• He will earn $200 if he sells no appliances

• This function is exponential

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Find the slope given the points (2, −7) and (−1, 6).

• $-\frac{13}{3}$

• $\frac{13}{3}$
  

• 0

• $\frac{2}{3}$

What is the slope in the equation y = 2x + 3?

• 2

• 3

• 5

• Cannot be Determined

Tags

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

Write equation of a line in point slope form that passes through (3,8) and has a slope of 5?

• y = 5(x - 3) + 8

• y = 5x + 8

• y = 5(x - 8) + 3

• y = 5x + 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

Is the pictured graph growth, decay, or linear?  

• Exponential Growth
• Exponential Decay
• Linear Growth

• Linear Decay

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What is the y-intercept of the function?

• (0,2)
• (0,3)
• (0,1)
• (0,-2)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

Discrete OR Continuous?

The number of orange Skittles in a bag.

• Discrete

• Continuous