Decide whether or not the functions are inverses of each other.f(x) = - 
x, g(x) = - 
x
A. No
B. Yes
Answer: B
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Solve the problem.Molly has $13.30 in coins. She has five more nickels than dimes. She has seven fewer quarters than dimes. How many quarters does she have?
A. 42 quarters B. 37 quarters C. 30 quarters D. 35 quarters
Solve the problem.A wind-driven electric generator has a 27.7-ft-diameter propeller. Find the angular velocity in radians per second at which the tip of the propeller will reach the speed of 1043 ft/s.
A. 28,900 rad/s B. 12.0 rad/s C. 75.3 rad/s D. 37.7 rad/s
Rewrite the ratio as a ratio of natural logarithms and simplify.
A. 31
B. 
C. 
D. ln 2
The figure below is a square ABCD with center O. (M, N, P, and Q are the midpoints of the sides.)
Which of the following rotations is a symmetry of the square?
A. a 60° clockwise rotation with center O B. a 90° clockwise rotation with center A C. a 90° clockwise rotation with center O D. a 90° clockwise rotation with center P E. none of these