Unit 8 Review

Is this function  representing exponential growth or decay.
f(x) = 4(0.89)^x

• growth
• decay

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

• (.27)^x
• .27
• 13
• 3.51

If the number of bacteria in a colony doubles every 16 hours and there is currently a population of 3,000 bacteria, what will the population be 32 hours from now?

• 12,000 Bacteria
• 1.2 x 10¹³  Bacteria
• 196,608,000 Bacteria
• 6000 Bacteria

Tags

CCSS.HSF.LE.A.4

Is this exponential growth or decay?

• Growth
• Decay

What is the b (growth factor) value for the function:
f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2

Which equation matches the graph?

• y=2(2)^x
• y=2(1/2)^x
• y=2^x
• y=1/2(2)^x

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

Write the exponential equation using the table of values.

• f(x) = 53(10)^x
• f(x) = 5300(10)^x
• f(x) = 10(53)^x
• f(x) = 10^x

Tags

CCSS.HSF.LE.A.2

Is the graph linear, exponential or neither?

• Linear
• Exponential
• Neither

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2