Evaluate the expression without using a calculator. (Assume the variable represents a positive number.)
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
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Evaluate. The differential is exact.
A. -42 B. 0 C. -21 D. 29
Use this graph to answer the question.Big "D" Sales for Year 1, Year 2 
MonthWhat month in Year 2 had the lowest sales?
A. Month 5 B. Month 12 C. Month 3 D. Month 2
Select a variable to represent one quantity and state what that variable represents. Express the second quantity in terms of the variable selected.Last year, Rebecca received a grant of g dollars for school. This year she received $9000 plus seven-eighths of last year's amount.
A. let 
9000 + g = old grant amount, then g = new grant amount
B. let 
+ 9000g = old grant amount, then g = new grant amount
C. let g = old grant amount, then 
g + 9000 = new grant amount
D. let g = old grant amount, then 
9000 + 9000g = new grant amount
Solve the exponential equation. Express the solution set in terms of natural logarithms.e5x = 8
A. 
B. 
C. {5 ln 8}
D. 