Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find cos 
.
A. - 
B. 
C. - 
D. 
Answer: A
Mathematics
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Solve the initial value problem.
= -9sin 
, s '(0) = 10, s(0) = -2
A. s = sin 
+ 9t - 2
B. s = sin 
- 3
C. s = 3cos 
+ 10
D. s = sin 
+ 10t - 3
Mathematics
Solve the problem.Suppose that the x-intercepts of the graph of y = f(x) are 7 and 3. What are the x-intercepts of 
A. 3 and -1 B. 7 and 7 C. 28 and 12 D. 11 and 7
Mathematics
Find the mean.The Wellspring Company's fleet of trucks get 15, 14, 19, 12, 18, 12, and 23 miles per gallon. Round to the nearest whole number.
A. 19 miles per gallon B. 16 miles per gallon C. 15 miles per gallon D. 17 miles per gallon
Mathematics
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 4 B. y = 0 C. y = -4 D. x = -4
Mathematics