Solve the initial-value problem y?? ? 2y? + y = 8, y (0) = 4, y?(0) = ?1
What will be an ideal response?
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Evaluate f(x) at the given value of x.f(x) = 
x = 
A. 
B. 
C. 
D. 
The graph of a trigonometric function of the form y = A sin (Bx) or y = A cos (Bx) for B > 0 is given. Determine the equation of the function represented by the graph.
A. y = 4 cos 2x
B. y = 2 cos 
x
C. y = 2 cos 4x
D. y = 4 cos 
x
Find the simple interest and amount for the value of principal P, rate r per year, and time t.P = $9300, r = 7
%, t = 2 years and 3 months
A. $164.78, $9464.78 B. $1647.84, $7652.16 C. $1647.84, $10,947.84 D. $16,478.44, $25,778.44
Solve the problem.A company manufactures three products. The graph shows the production from 1986 to 1996. In what year did the production of A equal the production of B?
A. 650,000 B. 1996 C. 1991 D. 600,000