Factor, if possible.d3 + 216
A. (d + 6)(d2 - 6d - 36)
B. (d + 6)(d2 - 6d + 36)
C. (d + 6)(d2 + 6d + 36)
D. (d + 6)(d2 + 36)
Answer: B
Mathematics
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Simplify. Assume all variables are non-negative real numbers.
A. 5xy
B. 5x
C. 5x2
D. 5xy2
Mathematics
Solve the inequality, giving its solution set in both interval and graph forms.25y + 5 > 5(4y + 4)
A. (3, ?)
B. (-?, 3)
C. (-?, 25)
D. (25, ?)
Mathematics
Solve.x(x - 1) = 72
A. 8, -9 B. -8, -9 C. 8, 9 D. -8, 9
Mathematics
Find functions f and g so that f ? g = H.H(x) = ?3x + 6?
A.
| f(x) = x; | g(x) = 3x + 6 |
B.
| f(x) = ?x?; | g(x) = 3x + 6 |
C.
| f(x) = ?-x?; | g(x) = 3x - 6 |
D.
| f(x) = -?x?; | g(x) = 3x + 6 |
Mathematics