Simplify.
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Graph both functions using the same set of axes.f(x) = 2x, f-1(x) = log2x
A. f(x)
B. f(x)
C. f(x)
D. f(x)
Mathematics
Solve the problem.A formula for calculating the distance, d, one can see from an airplane to the horizon on a clear day is 
where x is the altitude of the plane in feet and d is given in miles. How far can one see in a plane flying at 28,000 feet? Round your answer to the nearest tenth mile, if necessary.
A. 17,080 mi B. 204.1 mi C. 1708 mi D. 184.8 mi
Mathematics
Write an equation for the parabola.
A. x2 = 4y B. y2 = -4x C. y2 = 4x D. x2 = -4y
Mathematics
Find the requested value.g(x) = -5x - 5; f(x) = -2x2 - 5x + 2Find 
(2).
A. 
B. 
C. 
D. - 
Mathematics