The graph of a function f is given. Use the graph to answer the question.What is the domain of f?
A. {x|x ? 0}
B. {x|-16 ? x ? 22}
C. all real numbers
D. {x|-20 ? x ? 20}
Answer: D
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the region in the first octant enclosed by the cylinder 
and the plane 
.
A. 
B. 
C. 
D. 
Graph the function. State the domain and range.y = x2 - 4x + 4
A. 
Domain: ? Range: y ? 0
B. 
Domain: x ? 0 Range: ?
C. 
Domain: ? Range: ?
D. 
Domain: ? Range: y ? 0
You are given a graph of a function of the form f(x) = ax2 + bx + c for different values of a, b, and c. For this function,a. Determine whether the discriminant is positive, negative, or zero.b. Determine if there are 0, 1, or 2 real solutions to f(x) = 0.c. Solve the equation f(x) = 0.
A. a. negative b. 2 c. x = -1, x = -2 B. a. positive b. 2 c. x = 1, x = 2 C. a. zero b. 2 c. x = -1, x = 2 D. a. positive b. 2 c. x = -1, x = 2
Factor.x2 + 9x + 20
A. (x - 4)(x + 5) B. (x - 4)(x + 1) C. (x + 4)(x + 5) D. x2 + 9x + 20