For the pair of functions, determine the domain of f + g.f(x) = 3x + 4, g(x) = 
A. (-?, -2) or (-2, ?)
B. (-?, ?)
C. (-?, -10) or (-10, ?)
D. (0, ?)
Answer: C
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Evaluate the surface integral of G over the surface S.S is the parabolic cylinder y = 3x2, 0 ? x ? 4 and 0 ? z ? 4; G(x, y, z) = 3x
A. 
B. 
C. 
D. 
Without graphing the function, determine its amplitude or period as requested.y = 2 cos 
xFind the amplitude.
A. 
B. 6?
C. 
D. 2
Solve the system of equations graphically using a graphing calculator. Find all values to the nearest hundredth.3x2 + 4y2 = 15x2 + y2 = 4
A. x = 1.00, y = 1.73; x = -1.00, y = 1.73 B. x = 1.73, y = 1.00; x = 1.73, y = -1.00; x = -1.73, y = 1.00; x = -1.73, y = -1.00 C. x = 1.00, y = 1.73; x = 1.00, y = -1.73; x = -1.00, y = 1.73; x = -1.00, y = -1.73 D. No solution
Solve for x in the following.
x = 
A. 
B. 
C. 
D. 