Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.{(3, -5), (5, -3), (9, 2), (-9, -2)}
A. {(-2, 9), (9, 5), (-5, 3), (2, -9)}
B. {(-2, 9), (-3, 5), (-5, 5), (2, -9)}
C. {(-5, 3), (-3, 5), (2, 9), (-2, -9)}
D. No inverse
Answer: C
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.y = sec-1(4x + 7)
A. 
B. 
C. 
D. 
Rewrite the following as indicated.3.5 (Write as a percent.)
A. 35% B. 350% C. 0.35% D. 0.0035%
A person standing 140 centimeters from a mirror notices that the angle of depression from his eyes to the bottom of the mirror is 14°, while the angle of elevation to the top of the mirror is 13°. Find the vertical dimension of the mirror (see the figure). Round to the nearest centimeters.
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Apply the rules regarding the use of significant digits when determining your answer.
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Vertical dimension of mirror = __________ cm
Fill in the blank(s) with the appropriate word(s).
Use a table to find the indicated limit. 
A. -1 B. 1 C. 0 D. does not exist