Solve the problem.The transverse (vertical) displacement of a traveling wave on a stretched string is represented by the equation 
Find the period, amplitude, and phase shift of this function, given that 
and 
A. 1, 2, 2.5
B. 3, 2, -2.5
C. 1.00, 2, 2.50
D. ?, 2, -2.5
Answer: A
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For the given functions f(x) and g(x), perform the indicated operation.f(x) = (5x5 - 18x2 + 2), g(x) = (7x5 + 6x2 - 20)Find f(x) - g(x).
A. -2x5 - 24x2 - 18 B. -2x5 - 11x2 - 18 C. -2x5 - 24x2 + 22 D. -4x7
Solve the problem.Suppose you build an architectural model of a new office complex using a scale factor of 50. How will the height of the actual office complex compare to the height of the scale model?
A. 50 times as great B. 2500 times as great C. 100 times as great D. 25 times as great
Verify the identity.
= - tan(4?) tan(2?)
What will be an ideal response?
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 25 B. 18 C. 13 D. 24