Factor.-36x3 + 3x2 + 3x
A. x(3x - 1)(-12x - 3)
B. -3(3x2 - 1)(4x + 1)
C. -3x(3x - 1)(4x + 1)
D. x(-9x + 3)(4x + 1)
Answer: C
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Solve the problem.A tourist wants to know the height of a sculpture in central park. He finds that the angle of elevation from his current position to the top of the sculpture is 24°58'. He then walks 128 feet towards the sculpture (in a straight line) and finds that the angle of elevation from his new position is 53°11'. How tall is the sculpture? Round your answer to the nearest hundredth of a foot when necessary.
A. 76.48 ft B. 111.98 ft C. 91.48 ft D. 191.48 ft
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Evaluate the function at the given value of the independent variable and simplify.f(x) = 
;f(-2)
A. -4 B. 4 C. 2 D. not a real number
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