Solve.The charge q (in coulombs) delivered by a current i (in amperes) is given by 
where t is the time (in seconds). A damped-out periodic wave form has current given by 
Find a formula for the charge delivered over time t.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Answer: A
Mathematics
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How many subsets and proper subsets are in the given set?
A. 15, 14 B. 14, 15 C. 15, 16 D. 16, 15
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Solve the problem.How many ways are there to choose 3 books from a collection of 12 different books?
A. 1320 B. 1980 C. 220 D. 22
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Solve.Julia made a quilt that took first place at the county fair. The quilt measured 14.4 ft by 8.7 ft. She sewed a unique fringed border on each side of it. If the border material costs $3.19 per foot, how much did the border cost? Round to the nearest cent if necessary.
A. $1598.57 B. $147.38 C. $73.69 D. $399.64
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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. 
D. none
Mathematics