Solve the problem.Voltage through a circuit is described by the equation 
Find the amplitude and phase shift of the voltage.
A. A = 250, ? = 444.7557
B. A = 25, ? = 0.9273
C. A = 250, ? = 640.8999
D. A = 250, ? = 0.9273
Answer: D
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Find the percent of change and state whether. A client in a weight-loss program weighed 310 pounds when enrolling in the program and 273 pounds at the end of week four. Find the percent of change in the client’s weight.
A. 114% B. 88.1% C. 11.9% D. 36.89%
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 3, u '(1) = -7, v(1) = 7, v '(1) = -2.
at x = 1
A. - 
B. - 
C. - 
D. - 
For the given expression y'(x), sketch the general shape of the graph of y = f(x). [Hint: it may be helpful to find y".]y' = x2(6 - x)
A. 
B. 
C. 
D. 
Add.15 + (-15)
A. 0 B. 30 C. -15 D. 15