AnswersEA Pre-Calculus Credit RecoveryApplying Trigonometric Functions

Applying Trigonometric Functions — Cumulative exam Answers

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Simplify the expression:a.c.b.d.

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In the first week of its release, the latest blockbuster movie sold $16.3 million dollars in tickets. The movie’s producers use the formula , to predict the number of ticket sales t weeks after a movie’s release, where is the first week’s ticket sales. What are the predicted ticket sales to the nearest $0.1 million for the sixth week of this movie’s release? (Note: t = 0 for the first week.)

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$0.2 million
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$1.5 million
C
$13.3 million
D
$2.2 million
3

The Ruiz family is saving to buy a new house. They have $5,000 to start a new savings account that has an interest rate of 3.4%, compounded continuously. The family must move into the new house in 18 months. How much money will be in the savings account after 18 months?

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$2711
B
$5262
C
$5316
D
$9221
4

The graph of an exponential function is given. Which of the following is the correct equation of the function?a.c.b.d.

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Identify if the function is an exponential function. If so, identify the base and the initial value.

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Yes, it is an exponential function. Base = 1 Initial value = 5
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Yes, it is an exponential function. Base = 4 Initial value = 5
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Yes, it is an exponential function. Base = 4 Initial value = 2
D
No, it is not an exponential function.
6

Describe how to translate the graph of into the graph of .

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Reflect across the x-axis and translate 5 units to the right
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Reflect across the y-axis and translate 5 units up
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Reflect across the y-axis and translate 5 units to the right
D
Reflect across the x-axis and translate 5 units down
7

Which is the solution to a.c.1.1201b.1.2d.0.6914

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Which graph has the parent function ?a.c.b.d.

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Solve the equation using propertis of logarithms and exponents.

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x = 1
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x = 5
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x =
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x =
10

Determine which trigonometric function to use to solve for the hypotenuse. Then, solve for the length of the hypotneuse.b = 9A = 55.8

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cosine, .062
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sine, 10.8
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sine, 16.0
D
cosine, 16.0
11

Match the function to the graph.a.c.b.d.

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a.sin A = , tan A = , sec A = cos A = , cot A = , csc A = c.sin A = , tan A = , sec A = cos A = , cot A = , csc A = b.sin A = , tan A = , sec A = cos A = , cot A = , csc A = d.sin A = , tan A = , sec A = cos A = , cot A = , csc A =

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13

Convert into a decimal degree measure. 37’ 44”a.c.b.d.

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14

Simplify the expression .a.c.b.d.

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15

Write the equation in exponential form.a.36x = 9 c.b.9x = 36 d.

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16

Simplify . a. c. b. d. Please select the best answer from the choices provided

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17

Which function is decreasing?

A
Outdoor temperature as a function of time.
B
The Dow Jones Industrial Average as a function of time.
C
Air pressure in the Earth’s atmosphere as a function of altitude.
D
World population since 1900 as a function of time.
18

Determine the domain of the following function:a.c.b.d.

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19

Find the least positive angle measurement that is coterminal with °.

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°
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°
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°
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°
20

Evaluate.a.c.b.d.

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D

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