Solve.2 - 2
= -7
A. 
B. 
C. 
D. 
Answer: B
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Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 10 terms of the geometric sequence: -6, -18, -54, -162, -486, . . . .
A. -177,164 B. -177,142 C. -177,144 D. -177,107
Let 
and compute the Riemann sum of f over the interval 
, choosing the representative points to be the left endpoints of the subintervals, using:
?
Two subintervals of equal length 
.
?
__________ sq units
?
Five subintervals of equal length 
.
?
__________ sq units
?
Ten subintervals of equal length 
.
?
__________ sq units
?
Can you guess at the area of the region under the graph of f on the interval 
?
?
? __________ sq units
What will be an ideal response?
Solve the problem.How long will it take for prices in the economy to double at a 4% annual inflation rate? (Round to the nearest year.)
A. 4 yr B. 28 yr C. 21 yr D. 18 yr
Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 1.5 in. B. 3 in. C. 9 in. D. 0 in.