For the given functions f and g, find the requested function and state its domain.f(x) = 5x3 - 1; g(x) = 2x2 + 3Find f ? g.
A. (f ? g)(x) = 10x5 + 15x3 - 2x2 - 3; {x|x ? 0}
B. (f ? g)(x) = 10x6 + 15x3 - 2x2 - 3; all real numbers
C. (f ? g)(x) = 10x5 + 15x3 - 2x2 - 3; all real numbers
D. (f ? g)(x) = 5x3 + 2x2 - 3; all real numbers
Answer: C
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Simplify.
-4
A. 
B. 
C. -16
D. 16
Solve the problem.Rectangle A is 20 by 30. Rectangle B is a gnomon to rectangle A. The dimensions of rectangle B are
A. 25 by 30. B. 30 by 45. C. 30 by 30. D. 30 by 60. E. none of these
Factor completely. If the polynomial cannot be factored, say it is prime.20x6 - 12x3 - 25x3 + 15
A. (4x6 - 5)(5x - 3) B. (4x3 - 5)(5x3 - 3) C. (4x3 + 5)(5x3 + 3) D. (20x3 + 5)(x3 + 3)
For the given angle of rotation and coordinates of a point in the x'y'-coordinate system, find the coordinates of the point in the xy-coordinate system.? = 45°, (6, 1)
A. 
B. 
C. 
D. 