Solve the problem.Voltage through a circuit is described by the equation 
Find the amplitude and phase shift of the voltage.
A. A = 170, ? = 373.5108
B. A = 170, ? = 169.317
C. A = 17, ? = 1.0808
D. A = 170, ? = 1.0808
Answer: D
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Solve the problem.A load L (in N) is distributed along a beam 10 m long such that L = 24x - 0.4x2, where x is the distance from one end of the beam. Find the expression for the instantaneous rate of change of L with respect to x.
A. 24 - 0.8x B. 24x - 0.8x2 C. -0.8x D. 24 - 0.4x
Solve the equation.x(x2 + 2) = 8 + x3
A. 
B. 
C. {2}
D. {8}
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = 
+ 1
A. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
B. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
C. 
f domain = (-?, ?); range = (0, ?)
f-1 domain = (0, ?); range = (-?, ?)
D. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
A plumber wishes to add a pipe parallel to an existing pipe as shown in illustration. Find angle x.
__________
Fill in the blank(s) with the appropriate word(s).