LC 7-5/7-6

Is the table linear, exponential, or neither?

• Linear

• Exponential

• Neither

What is the y-intercept of the function in the graph?

• (1, 0)

• (0, 1)

• y = 0

• x = 0

Tags

CCSS.HSF-IF.C.7E

What is the range of the function in the graph?

• x > 0

• x < 0

• y > 0

• y < 0

Tags

CCSS.HSF-IF.C.7E

Does the graph represent an exponential growth or an exponential decay function?

• Exponential Growth
• Exponential Decay

Tags

CCSS.HSF-IF.C.7E

• 6

• -6

• 24

• -24

Tags

CCSS.HSF-IF.C.8B

Identify the y-intercept in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

Tags

CCSS.HSF-IF.C.7E

A collectible car has been going up in price by 10% each year. If the car is worth $29,000 now, which equation shows what the car will be worth in 5 years?

• $y=10\left(29000\right)^5$
  

• $y=29000\left(5\right)^{10}$
  

•  $y=29000\left(1+.10\right)^5$ 
  

• $y=29000\left(10\right)^5$
  

Tags

CCSS.HSF-LE.A.1C

The expression

f(t) = 12(1.015)^t

models the population of elephants in a wildlife refuge after t years since 1975. Based on the rate, is the population of elephants increasing or decreasing?

• Increasing

• Decreasing

Tags

CCSS.HSF-IF.C.8B

The expression

f(t) = 12(1.015)^t

models the population of elephants in a wildlife refuge after t years since 1975. What does the value 12 represent?

• The predicted increase in number of elephants in the refuge each year.

• The predicted decrease in number of elephants in the refuge each year.

• The number of years it will take for the elephant population to stop increasing.

• The initial number of elephants in the park in 1975.

Tags

CCSS.HSF.LE.B.5

The number of ants in a colony, f, that is decaying can be modeled by

f(x) = 800(.87)^x,

where x is the number of days since the decay started. By what percentage is the colony decaying?

• 87%

• 13%

• 800%

• 8.7%

Tags

CCSS.HSF-IF.C.8B