Express the solution set of the inequality in interval notation.x ? 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.An object is launched vertically in the air at 40 feet per second from a platform 50 feet above the ground. The height of the object above the ground (in feet) t seconds after launch is given by 
How long does it take the object to reach its maximum height? What is the object's maximum height?
A. 2.5 sec; 75 ft B. 1.25 sec; 50 ft C. 2.5 sec; 50 ft D. 1.25 sec; 75 ft
Find the inverse of the function.f(x) = e-x + 2
A. f-1(x) = -ex - 2
B. f-1(x) = -ln(x - 2)
C. f-1(x) = ln 2 - ln x
D. f-1(x) = ex - 
Write the slope-intercept equation (y = mx + b) for a line with the given characteristics.m = 3, passing through (1, -2)
A. y = 3x B. y = 5x - 3 C. y - 5 = 3x D. y = 3x - 5
Given f(x) and g(x), find the indicated composition and evaluate.f(x) = 6x - 6; g(x) = -7x2 - 8x - 7Find (f ? g)(4).
A. -2419 B. -408 C. -912 D. -277