Solve the problem by integration.The current i (in A) as a function of the time t (in s) in a certain electric circuit is given by 
Find the total charge that passes a given point in the circuit during the first three seconds.
A. 1.881 C
B. 7.522 C
C. 3.738 C
D. 3.761 C
Answer: D
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Solve the problem.Richard's team wants to plant 282 trees in 2 months. How many trees per month do they need to plant?
A. 143 trees B. 282 trees C. 151 trees D. 141 trees
State the domain and range in interval notation.f(x) = (x + 6)2 - 2
A. domain: [-2, ?); range: (-?, ?) B. domain: (-?, ?); range: (-?, -2] C. domain: (-?, -2]; range: (-?, ?) D. domain: (-?, ?); range: [-2, ?)
Write the expression as the sum or difference of single logarithms. log7
A. 2log7x + 5log7y - 2log7z
B. 
log7x + 
log7y - 
log7z
C. 
log7x + 
log7y - 2log7z
D. 
log7x ? 
log7y ÷ 2log7z
Use reduction formulas to evaluate the integral.
A. - 
sin 2x cos3 2x + 
+ 
sin 4x + C
B. - 
sin 2x cos3 2x + 
+ 
sin 4x + C
C. - 
sin 2x cos3 2x + 
+ 
cos 4x + C
D. - 
sin 2x cos2 2x + 
+ 
sin 4x + C