Provide an appropriate response.Find the composite g[f(-k)] if f(x) = 8x2 - 5x and g(x) = 7x + 9.
A. 392k2 - 973k + 603
B. 56k2 - 35k + 9
C. 56k2 + 35k + 9
D. 392k2 + 973k + 603
Answer: C
Mathematics
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?
What will be an ideal response?
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Simplify.-14 - (-11)
A. -3 B. -25 C. 3 D. 25
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Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 30 feet from the center is to be 10 feet above ground?
A. 117.17 ft B. 116 ft C. 33.49 ft D. 66.97 ft
Mathematics