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Topic Test Answers

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The average number of customers per day at a home improvement store is given in the following table. Let x represent the day where 1 = Sun of the first week, 7 = Sat of the first week, 8 = Sun of the second week, and 14 = Sat of the second week. Use a graphing calculator to produce a sine regression model for the data. Round a, b, c, and d to the nearest thousandth.DaySunMonTueWedThuFriSatNumber of Customers1157760516886120

A
33.690sin(0.887x + 1.337) + 81.684
B
34.081sin(0.888x - 1.341) + 82.822
C
34.081sin(0.888x + 1.341) + 82.822
D
33.690sin(0.887x + 1.337) - 81.684
22
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Determine the amplitude or period as requested. Amplitude of a. b. c. d. Please select the best answer from the choices provided

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A
A
B
B
C
C
D
D
23

Determine the amplitude or period as requested. Amplitude of a. b. c. d. Please select the best answer from the choices provided

Question illustration
A
A
B
B
C
C
D
D
24

Convert the angle to radians. Leave as a multiple of . a. c. b. d. Please select the best answer from the choices provided

Question illustration
A
A
B
B
C
C
D
D
25

A small plane is 4 miles by land away from the airport. The angle of elevation from the airport to the airplane is ? What is the altitude of the plane? Round your answer to the nearest tenth of a mile.

Question illustration
A
0.1 mile
B
0.5 mile
C
35.1 miles
D
8.6 miles
26

Which function is illustrated by the following graph?

Question illustration
A
cosine function
B
Sine function
C
Tangent function
D
Cotangent function

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