Solve the inequality.For the function f(x) = x2 + 2x - 35, solve f(x) > 0.
A. (5, ?)
B. (-?, -7)
C. (-?, -7) ? (5, ?)
D. (-7, 5)
Answer: C
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 8
B. 
C. 33
D. 
Add or subtract. Express the answer as a mixed number.
A. 14
B. 4
C. 15
D. 16
For the pair of functions, find the indicated sum, difference, product, or quotient.Find (f ? g)(4) when f(x) = x + 1 and g(x) = -4x2 + 17x + 1.
A. 15 B. -189 C. 425 D. 25
Solve the problem.A contractor needs to know the height of a building to estimate the cost of a job. From a point 88 feet away from the base of the building, the angle of elevation to the top of the building is found to be 
Find the height of the building. Round your answer to the hundredths place.
A. 88.33 ft B. 89.66 ft C. 85.43ft D. 83.90 ft