State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 
(
-15)
A. No; it is a product
B. No; x is raised to non-integer power
C. Yes; degree 1
D. Yes; degree 2
Answer: B
Mathematics
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A. r''(t) = (-3 cos 3t)i + (2 sin t)j B. r''(t) = (-9 cos 3t)i + (-4 sin t)j C. r''(t) = (9 cos 3t)i + (-2 sin t)j D. r''(t) = (-9 cos 3t)i + (-2 sin t)j
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Solve the system by elimination. 6x + 45 = 9y-2x - 3y = -27
A. {(2, 8)} B. ? C. {(3, 7)} D. {(3, 8)}
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Find the least common multiple for the set of numbers.60, 80, 50
A. 600 B. 1200 C. 400 D. 240
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Solve the problem. Round money amounts to the nearest cent.Bulk flour is on special at $0.87 per kilogram. Freida scooped some onto a scale. How much will she pay for 7,070 g of flour?
A. $6.09 B. $6.15 C. $3.08 D. $6.70
Mathematics