Find the range of the function.f(x) = 9x2 - 180x + 908
A. [0, ?)
B. (-?, 0]
C. [8, ?)
D. (-?, 10]
Answer: C
Mathematics
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Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -125 ft near a rock formation. In this area, the ocean floor has an elevation of -225 ft. The rock formation rises to a peak 117 above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 8 ft B. 100 ft C. 108 ft D. 17 ft
Mathematics
Evaluate the expression.66 - 7 ? 5 + 135 ÷ (-15)
A. 22 B. -13 C. 286 D. -551
Mathematics
Find the common ratio for the geometric sequence.3, 6, 12, 24, 48, . . .
A. 
B. 2
C. 3
D. not geometric
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x2 - 20x + 400
A. (x + 20)2 B. (x - 20)2 C. Prime D. (x + 20)(x - 20)
Mathematics