Provide an appropriate response.Convert 15 hours to seconds using unit ratios.
A. 900 seconds
B. 1,560 seconds
C. 3,600 seconds
D. 54,000 seconds
E. none of the above
Answer: D
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Determine the indefinite integral. Check your work by differentiation.
dx
A. 2 cot x + C
B. -2 tan x + C
C. 
+ C
D. -2 cot x + C
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|-1 ? x ? 1} range: {y|-? ? y ? ?} intercepts: (-?, 0), (0, 0), (?, 0) symmetry: none B. function domain: {x|-? ? x ? ?} range: {y|-1 ? y ? 1} intercepts: (-?, 0), (0, 0), (?, 0) symmetry: origin C. function domain: all real numbers range: {y|-1 ? y ? 1} intercepts: (-?, 0), (0, 0), (?, 0) symmetry: origin D. not a function
Solve the problem.A manufacturer's cost is given by C = 300n1/3 + 1800, where C is the cost in dollars and n is the number of parts produced. Find the cost when 8 parts are produced.
A. $2100 B. $2400 C. $2649 D. $150
Solve the problem.Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 1993 to 1998. Find the average annual increase between 1995 and 1997.
A. $375 per year B. $325 per year C. $295 per year D. $590 per year