Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.1000y3 + 343
A. (10y + 7)(100y2 - 70y + 49)
B. (1000y - 7)(y2 + 70y + 49)
C. (10y + 7)(100y2 + 70y + 49)
D. (10y - 7)(100y2 + 70y + 49)
Answer: A
Mathematics
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Identify where f is increasing and where f is decreasing.f(x) = 5x - 4
A. increasing: [-4, ?); decreasing: (-?, -4] B. increasing: never; decreasing: (-?, ?) C. neither D. increasing: (-?, ?); decreasing: never
Mathematics
Solve.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, letters may be repeated, and the call letters cannot end in an O?
A. 35,152 B. 456,976 C. 33,800 D. 16,900
Mathematics
Divide.6617 ÷ 8
A. 828 B. 827 R 7 C. 827 D. 827 R 1
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -7x2 - 3x + 5
A. opens down B. opens up
Mathematics