Let x be a number. Translate the English phrase or sentence into a mathematical expression. 5 times a number
A. 5 - x
B. 5 ÷ x
C. 5 + x
D. 5x
Answer: D
Mathematics
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Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Ix about the x-axis, where r(t) = 
t3/2i + (8t cos t)j + (8t sin t)k, 
A. Ix = 16 B. Ix = 24 C. Ix = 32 D. Ix = 0
Mathematics
Determine algebraically whether the function is even, odd, or neither even nor odd.f(x) = 
A. Even B. Odd C. Neither
Mathematics
Insert "?" or "?" in the blank to make the statement true.{11, 13, 15} {x | x is an odd counting number}
A. ? B. ?
Mathematics
Divide the polynomial by the monomial.
A. 
x4 + 
x3 - 1
B. 9x4 + 7x3 - 2
C. 9x2 + 7x - 2
D. 9x4 + 7x - 2x2
Mathematics