Evaluate the integral.
A. 8i - 4j + 4k
B. 8i + 4j - 4k
C. 4i - 2j - 
k
D. 4i + 2j - 
k
Answer: D
Mathematics
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The number N, in millions, of Americans with Internet access t years after 1990 is modeled by the function
.
?
For what value of N is Internet access growing at the fastest rate? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A pair of running shoes costs $80 and a pair of basketball shoes costs 
Find the total cost for both pairs of shoes.
A. $120 B. $40 C. $59 D. $116
Mathematics
Simplify.i24
A. -1 B. i C. 1 D. -i
Mathematics
Decide whether or not the functions are inverses of each other.
A. No B. Yes
Mathematics