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. 3.664 C
B. 11.067 C
C. 1.230 C
D. 3.689 C


Answer: D

Mathematics

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Solve the equation.x - 8 + 7 = 0

A. {-, -1, 1}
B. {-7, 7, -1, 1}
C. {7, 1}
D. {49, 1}

Mathematics

Simplify.

A. - 
B.
C. - 
D. - 

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Use the Binomial Theorem to expand the binomial and express the result in simplified form.(x + 3)3

A. x3 + 9x2 + 27x + 27 B. x3 + 3x2 + 9x + 27 C. x3 + 27 D. 3x + 9

Mathematics

Determine whether the function is one-to-one.f(x) = x2 + 5

A. Yes B. No

Mathematics