Exponential Function Exam

What is the asymptote of y = 2^x - 3

• y = 0

• y = -3

• x = 0

• x = -3

Tags

CCSS.HSF-IF.C.7E

Which of the following statements best captures the meaning of an asymptote for an exponential function?

• It is a horizontal line that the graph approaches, but never touches.

• It is a vertical line that the graph approaches, but never touches.

• It is a horizontal line that intersects the graph of the function.

• It is a vertical line that intersects the graph of the function.

Tags

CCSS.HSF-IF.C.7E

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x

• y=15,000(1 + .08)^x

• y=15,000(1 - .08)^x

• y=15,000(0.08)^x

Tags

CCSS.HSF.LE.A.2

In an exponential function, what does the 'a' represent? 

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

Tags

CCSS.HSF.LE.B.5

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF.LE.B.5

Is this exponential growth or decay?

• Growth

• Decay

Tags

CCSS.HSF-IF.C.7E

Based on the given graph, what is the equation for the asymptote? Choose the best answer.

• y = 1

• x = 1

• y = 2

• x = 0

Tags

CCSS.HSF-IF.C.7E

Bacteria in a petri dish triples EVERY 12 HOURS. If you start with 7 cells, how many will you have in 3 days?

• 189 cells

• 5103 cells

• 21 cells

• 1029 cells

Tags

CCSS.HSF.LE.A.4

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Tags

CCSS.HSF-LE.A.1A