Find an equation for the parabola with vertex at the origin.Through (
, 15), opening upward
A. x2 = 
y
B. x2 = -12y
C. y2 = 12x
D. y2 = 60x
Answer: A
Mathematics
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Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.cos3 x
A. 
cos x + 
cos 3x
B. 
cos x - 
cos 3x - cos 2x
C. 
cos x + 
cos 3x + cos 2x
D. 
cos x - 
cos 3x
Mathematics
Solve the problem.The number of books in a small library increases according to the function B = 5900e0.04t, where t is measured in years. How many books will the library have after 7 years?
A. 7510 books B. 11,242 books C. 3262 books D. 7806 books
Mathematics
Find the differential of the function.
?
What will be an ideal response?
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = -3 cos 
xFind the period.
A. 8?
B. -3
C. 
D. 
Mathematics