Determine whether the functions f and g are inverses of each other.f(x) = 
; g(x) = 
+ 8
A. Yes
B. No
Answer: A
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Solve the problem.A rectangular carpet has a perimeter of 242 inches. The length of the carpet is 99 inches more than the width. What are the dimensions of the carpet?
A. 110 inches by 11 inches B. 66 inches by 77 inches C. 110 inches by 121 inches D. 115.5 inches by 121 inches
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 7 sin t, y = 7 cos t; 0 ? t ? 2?
A. y = 
= 49; -? < x < ?
B. y2 - x2 = 49; -? < x < ?
C. y = x2 - 9; -2 ? x ? 2
D. x2 + y2 = 49; -7 ? x ? 7
Solve and check.5(y + 7) = 6(y - 5)
A. y = -65 B. y = 65 C. y = -5 D. y = 5
Solve the variation problem.If the voltage V in an electric circuit is held constant, the current I is inversely proportional to the resistance R. If the current is 350 milliamperes when the resistance is 3 ohms, what is the current when the resistance is 21 ohms?
A. 50 milliamperes B. 2450 milliamperes C. 150 milliamperes D. 2443 milliamperes