Evaluate the definite integral.
A. 
B. 624
C. 156
D. 78
Answer: D
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Provide an appropriate response.The monthly cost of a certain texting plan is given by the function C(n) = 0.05n + 9.95, where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(140) Monthly Cost of Texting Plan
A. 7.00; it costs $7.00 to send 140 texts in a month using a certain texting plan. B. 15.95; it costs $15.95 to send 140 texts in a month using a certain texting plan. C. 16.95; it costs $16.95 to send 140 texts in a month using a certain texting plan. D. 23.95; it costs $23.95 to send 140 texts in a month using a certain texting plan.
Simplify using order of operations.-|54| ÷ (-|9|) ÷ (-2)
A. 3 B. 12 C. -3 D. -12
Convert the units using unit fractions.56 oz = 
lb
A. 896
B. 5
C. 3
D. 560
Find the minimum value of the objective function and where it occurs, subject to the indicated constraints.
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Objective function:
?
z = 10x + 4y
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Constraints:
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0 ? x ? 60
0 ? y ? 45
5x + 6y ? 420
?
?
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A. Minimum at (0, 0): 0 B. Minimum at (60, 20): 680 C. Minimum at (0, 45): 180 D. Minimum at (60, 0): 600 E. Minimum at (30, 45): 480