Find the power of i.i8
A. -1
B. i
C. 1
D. -i
Answer: C
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Find the zeros of the function. Give exact answers.f(x) = x2 - 14x + 58
A. 14 ± 6i B. -7 ± 3i C. 7 ± 3i D. 10, 4
Evaluate the integral by changing the order of integration in an appropriate way.
A. 3 ln 3 (1 - cos 64)
B. 3 ln 3 (1 - sin 64)
C. 
ln 3 (1 - cos 64)
D. 
ln 3 (1 - sin 64)
Solve the problems.Students enrolled in a prealgebra class can withdraw within the first two weeks without receiving a grade. If there were 32 students registered for class on the first day and 27 remaining at the end of the second week, what was the percent decrease in students for the first two weeks? Round to the nearest tenth of a percent, if necessary.
A. 84.4% B. 15.6% C. 81.5% D. 18.5%
Use the given information to find the exact value of the trigonometric function.sin ? = - 
, ? lies in quadrant IV
Find cos 
.
A. 
B. 
C. - 
D. - 