Simplify.
-4
A. - 
B. 
C. 
D. - 
Answer: C
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Add or subtract.(2x8 - 9x6 + 8x2 + 4) + (8x7 + 5x6 - 4x)
A. 2x8 + 8x7 - 4x6 + 8x2 - 4x + 4 B. 2x8 + 8x7 + 4x6 + 8x2 - 4x + 4 C. 10x8 - 14x6 + 8x2 - 4x + 4 D. 10x8 - 4x6 + 8x2 - 4x + 4
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 - 2x2 - 16x + 32
A. (x - 3)(x - 5)(x + 5) ; 3, 5, -5 B. (x - 2)(x - 4)(x + 4) ; 2, 4, -4 C. (x + 3)(x + 5)(x + 5) ; 3, 5, -5 D. (x - 2)(x - 4)(x + 4) ; -2, -4, -4
Find the domain of the given function.f(x) = 
A. (-?, -5) ? (5, ?) B. (-?, -5] ? [5, ?) C. (-?, -5] ? [0] ? [5, ?) D. (-?, ?)
Find the first term a1 and the common difference d of the arithmetic sequence.9.02, 13.69, 18.36, 23.03, . . .
A. a1 = 9.02, d = 4.67 B. a1 = 9.02, d = 3.50 C. a1 = 4.67, d = 14.01 D. a1 = 4.67, d = 9.02