For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 5x3 + 3; g(x) = 3x2 + 2;
Find f ? g.
A. (f ? g)(x) = 15x5 + 10x3 + 9x2 + 6; (-?, ?)
B. (f ? g)(x) = 15x6 + 10x3 + 9x2 + 6; (-?, ?)
C. (f ? g)(x) = 5x3 + 3x2 + 6; (-?, ?)
D. (f ? g)(x) = 15x5 + 10x3 + 9x2 + 6; (-?, 0) ? (0, ?)
Answer: A
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A. 
B. 
C. 
D. 
E. 
Solve the problem.Find the angle between the planes 3x + 9y + 9z = 3 and 5x + 9y + 3z = 3
A. 53 B. 104 C. 167 D. 90
Multiply the pair of monomials.(-2x4)(-6x2)
A. -8x8 B. -8x6 C. 12x6 D. -12x8
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of 
+ i
A. 
(cos 30° + i sin 30°), 
(cos 102° + i sin 102°), 
(cos 174° + i sin 174°), 
(cos 246° + i sin 246°), 
B. 
(cos 6° + i sin 6°), 
(cos 78° + i sin 78°), 
(cos 150° + i sin 150°), 
(cos 222° + i sin 222°), 
C. 32(cos 30° + i sin 30°), 32(cos 102° + i sin 102°), 32(cos 174° + i sin 174°), 32(cos 246° + i sin 246°), 
D. 32(cos 6° + i sin 6°), 32(cos 78° + i sin 78°), 32(cos 150° + i sin 150°), 32(cos 222° + i sin 222°), 