Use the following graph which shows the monthly sales of a heating supplier. 
What was the percent of increase in sales from March to April?
A. 102.4%
B. 10.2%
C. 50.6%
D. 127%
Answer: A
Mathematics
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k a constant.
A. 64k? B. 512k? C. 4096k? D. 8192k?
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Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
- 9
A. f-1(x) = x3 + 9
B. f-1(x) = (x + 9)3
C. f-1(x) = 
+ 9
D. f-1(x) = (x - 9)3
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Find the area of the region bounded by the curve y = -x2 + 3 and the line y = 2x.Enter just a reduced fraction of form 
.
Fill in the blank(s) with the appropriate word(s).
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Find the value of the logarithmic expression.log10100
A. -2
B. 20
C. 2
D. 
Mathematics