Write a differential formula that estimates the given change in volume or surface area.The change in the volume V = ?r2h of a right circular cylinder when the height changes from h0 to 
and the radius does not change
A. dV = 2?rh0 dh
B. dV = ?r2 dh
C. dV = ?r02 dr
D. dV = ?r2h0 dh
Answer: B
Mathematics
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Solve.Suppose that the sales of a particular brand of appliance satisfy the relationship 
where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 2700 and 3150?
A. Between 1996 and 1998 B. Between 1995 and 1998 C. Between 7 and 10 D. Between 1996 and 1999
Mathematics
Simplify and reduce to lowest terms.
- 
+ 
A. 1
B. 
C. 
D. -1
Mathematics
Rewrite using the power rule. Assume all variables represent positive real numbers.log2 y7
A. 7 log2 y B. 14 log y C. 7 log 2y D. log2 7y
Mathematics
Write the decimal as a fraction or mixed number in simplest form.12.13
A. 12
B. 121
C. 1213
D. 1
Mathematics