Find the domain of the function.f(x) = 5ln | x + 3 |
A. (-?, 3) ? (3, ?)
B. (-3, ?)
C. (-?, -3) ? (-3, ?)
D. (-?, -15) ? (-15, ?)
Answer: C
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A PDF for a continuous random variable X is given. Use the PDF to find E(X).f(x) = 
A. 
B. 3
C. 
D. 
Find the surface area of the surface S.S is the upper cap cut from the sphere x2 + y2 + z2 = 169 by the cylinder 
.
A. 26? B. 13 C. 650? D. -26?
Graph y = f(x) and y = |f(x)| in the standard viewing rectangle. Determine the x-intercept for the graph of y = |f(x)|.y = 2x
A. 
x-intercept is 0.
B. 
x-intercept is 0.
C. 
x-intercept is 0.
D. 
x-intercept is 0.
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 9x2 + 36x + 27
A. maximum at (-9, -2) B. minimum at (-2, -9) C. minimum at (-2, 0) D. maximum at (-9, 0)