State the domain of the rational function.f(x) = 
A. (-?, ?)
B. (-?, 6) ? (6, ?)
C. (-?, -4) ? (-4, 6) ? (6, ?)
D. (-?, -6) ? (-6, 4) ? (4, ?)
Answer: C
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Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = ln(2x + 5)
What will be an ideal response?
Follow the proper order of operations to evaluate the following.
A. - 76
B. - 
C. - 
D. - 90
Solve by any desired method. If there is no real number solution, say so.2 - 10x = (3x - 7)(x + 1)
A. x = 
B. x = -3, x = 1
C. x = -1, x = 3
D. x = -1, x = 
Solve the problem.A guy wire to a tower makes a 70° angle with level ground. At a point 32 ft farther from the tower than the wire but on the same side of the base as the wire, the angle of elevation to the top of the pole is 39°. Find the wire length (to the nearest foot).
A. 39 ft B. 78 ft C. 44 ft D. 83 ft