Express the product as a sum containing only sines or cosines.sin(9?) cos(5?)
A. 
[cos(14?) - cos(4?)]
B. sin cos(45?2)
C. 
[sin(14?) + cos(4?)]
D. 
[sin(14?) + sin(4?)]
Answer: D
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Use Euler's method with the specified step size to estimate the value of the solution at the given point x*. Find the value of the exact solution at x*.y' = 2y2/
, y(1) = -1, dx = 0.5, x* = 5
A. Euler's method gives y ? 0.0821; the exact solution is -0.1601 B. Euler's method gives y ? -0.1482; the exact solution is -0.2224 C. Euler's method gives y ? -0.1949; the exact solution is -0.2594 D. Euler's method gives y ? -0.0879; the exact solution is -0.1893
Find the indicated derivative of the function.f'''(x) for f(x) = x(4x - 7)3
A. 512x - 672 B. 768x - 1008 C. 96x - 126 D. 4x - 2016
Find the amplitude, period, or phase shift as specified.Find the period of y = -2 sin 
.
A. 2?
B. 
C. 6?
D. 3?
Construct a scatterplot for the given data.
A. 
B. 
C. 
D. 