Evaluate the determinant.
A. 54
B. 44
C. -54
D. -34
Answer: A
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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 = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3)
Determine whether the ordered pair is a solution for the linear inequality.(-1, -5); y > -x + -3
A. Yes B. No
Evaluate the algebraic expression for the given value of the variable.(4x)2 - 10x for x = 2
A. 54 B. -4 C. 12 D. 44
State whether the vectors are parallel, orthogonal, or neither.v = 3i - j,
w = 6i - 2j
A. Parallel B. Orthogonal C. Neither