Simplify.
A. 
B. 
C. 7
D. 
Answer: C
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x = -1; concave down on (-?, ?) B. Local minimum at x = 1; local maximum at x = -1; concave down on (0, ?); concave up on (-?, 0) C. Local minimum at x = 1; local maximum at x = -1; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 1; local maximum at x = -1; concave up on (-?, ?)
Simplify.8 × 3 + {12 ÷ [8 - (3 + 2)]}
A. 28 B. 27 C. 30 D. 29
Use synthetic division to find the quotient and the remainder.(x4 - 5) ÷ (x - 3)
A. Q(x) = x3 + 7x2 + 6x + 3; R(x) = 76 B. Q(x) = x3 + 3x2 + 9x + 27; R(x) = 622 C. Q(x) = x3 + 3x2 + 9x + 27; R(x) = 76 D. Q(x) = x3 + 5x2 + 25x + 125; R(x) = 622
Determine whether the system is consistent or inconsistent and whether the equations are dependent or independent.-4 = 7x + 9y18y + 14x = -9
A. Consistent; independent B. Inconsistent; dependent C. Inconsistent; independent D. Consistent; dependent