Modeling with Exponential and Logarithmic Equations

Question 1

Question 1

Revolt · Accepted Answer

: 4; : 8; : 10; : 22

Question 2

0 days: 1 day: 2 days: 3 days: 4 days: 5 days:

Revolt · Accepted Answer

1

Question 3

10 days: 15 days: 20 days: 25 days: 30 days:

Revolt · Accepted Answer

1024

Question 4

Question 4

Revolt · Accepted Answer

: 10; : 15; : 33; : 51; : 79

Question 5

The data show that the population of lily pads has growth rate.

Revolt · Accepted Answer

B: an increasing

Question 6

function would be most suitable to model these data.

Revolt · Accepted Answer

B: An exponential

Question 7

The general form of an exponential function is y = abx. Use the regression calculator to find the values of a and b for the water lily population growth. Round to the nearest thousandth.

Revolt · Accepted Answer

: 3.915; : 1.106

Question 8

The general form of an exponential function is y = abx. Use the regression calculator to find the values of a and b for the water lily population growth. Round to the nearest thousandth. a = and b =

Revolt · Accepted Answer

15.111 and 1.488

Question 9

The graph to the right shows what you should have gotten on the regression calculator. Check all statements below that accurately describe the regression equation.

Revolt · Accepted Answer

B: Most points lie on or near the regression curve, so it is a good model.; C: The equation can be used to analyze the population growth, and to estimate values outside of what was collected.

Question 10

Which two equations below could you solve to find D, the number of days it takes the water lily population to double?

Revolt · Accepted Answer

B: 7.830 = 3.915(1.106)D; D: 2 = 1.106D

Modeling with Exponential and Logarithmic Equations Answers

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