Solve the double inequality.-38 ? -5z + 2 or -5z + 2 ? -8
A. 2 ? z or z ? 8
B. -8 < z or z < -2
C. 2 < z or z < 8
D. -8 ? z or z ? -2
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)
Draw an appropriate Venn diagram and use the given information to fill in the number of elements in each region.n(A) = 14, n(B) = 21, n(A ? B) = 25, n(B') = 9
A. 
B. 
C. 
D. 
Without actually converting, choose the most reasonable answer.Sam aims to drink about 50 fluid ounces of water per day, which is about ________ .
A. 1.5 L B. 150 L C. 15 L D. 150 ml
Subtract.7989
A. 130 B. 7130 C. 7012 D. 7112