Determine the sign (positive or negative) of the given value without use of a calculator.sin 87°
A. Positive
B. Negative
Answer: A
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Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 
B. 
C. 
D. 
Graph the constant-profit lines through (3, 2) and (5, 3). Use a straightedge to identify the corner point(s) where the maximum profit occurs for the given objective function.?
P = x + y
A. Max P = 9 at x = 9 and y = 0, at x = 8 and y = 4, and at every point on the line segment joining the preceding two points. B. Max P = 8 at x = 5 and y = 3 C. Max P = 12 at x = 0 and y = 12, at x = 8 and y = 4, and at every point on the line segment joining the preceding two points. D. Max P = 5 at x = 3 and y = 2
Find the mean, median, and mode of the list of numbers. If necessary, round to the nearest tenth.82, 72, 76, 72, 74
A.
| mean: 76 | median: 76 | mode: 82 |
B.
| mean: 75.2 | median: 74 | mode: 82 |
C.
| mean: 75.2 | median: 74 | mode: 72 |
D.
| mean: 94 | median: 75 | mode: 72 |
Solve the problem.Given the supply and demand functions below, find the demand when p = $12. S(p) = 5pD(p) = 120 - 4p
A. 48 B. 72 C. 60 D. 132