Find the domain of the composite function f?g.f(x) = x + 1,g(x) = 
A. (-?, -10) or (-10, -1) or (-1, ?)
B. (-?, ?)
C. (-?, -11) or (-11, ?)
D. (-?, -10) or (-10, ?)
Answer: D
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Find the perimeter (P) and area (A) of the figure.
A. P = 24, A = 48 B. P = 14, A = 28 C. P = 4, A = 96 D. P = 28, A = 48
Solve the problem.Data for the amount of sun-induced expansion (in mm) of a steel I-beam were collected. The measurements are 7.82, 7.83, 7.70, 7.81, and 7.75. Find the standard deviation and variance for the data. Round the results to the nearest thousandth.
A. s = 0.045, v = 0.002 B. s = 0.111, v = 0.012 C. s = 0.139, v = 0.019 D. s = 0.002, v = 0.001
Solve the problem.There are 12 people in a club. A committee of 6 persons is to be chosen to represent the club at a conference. In how many ways can the committee be chosen?
A. 665,280 B. 110,880 C. 924 D. 1350
Graph the parabola. State the vertex of the parabola.x = y2 - 4y + 4
A. vertex (2, 0)
B. vertex (0, -2)
C. vertex (-2, 8)
D. vertex (0, 2)