Use transformations to graph the function.y = 2 cos x
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.The cross section of a piece of a roller coaster having a width of 300 feet and a depth of 145 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. Not enough information
Mathematics
Solve the equation by completing the square.p2 + 3p - 9 = 0
A. 
B. 
C. -3 ± 3
D. 
Mathematics
Solve the equation.
= 5
A. {20} B. {100} C. {25} D. {30}
Mathematics
Find the largest open intervals where the function is concave upward.f(x) = x4 - 6x3
A. (0, 3) B. (-?, 0) C. (-?, 0), (3, ?) D. (-?, ?)
Mathematics