Solve the problem.A generator produces an alternating current according to the equation 
where t is time in seconds and I is the current in amperes. What is the smallest time t such that 
A. 
sec
B. 
sec
C. 
sec
D. 
sec
Answer: D
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (2, 1) for ln x + xy2 + ln y = 0.
A. 1
B. - 
C. 
D. -1
Solve the problem.An auditorium has 25 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 900 seats B. 850 seats C. 550 seats D. 500 seats
Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
The 
of a list of terms is the product of all common factors.
A. difference of two squares B. difference of two cubes C. greatest common factor D. perfect square trinomial
Find the y-intercept of the polynomial function.f(x) = 9x - x3
A. -9 B. 0 C. 9 D. -1