For the pair of functions, find the indicated domain.f(x) = 3x + 21, g(x) = x + 9Find the domain of f ? g.
A. (-?, -16] ? [-16, ?)
B. (-?, -16) ? (-16, ?)
C. (-?, ?)
D. (-?, 16) ? (16, ?)
Answer: C
Mathematics
You might also like to view...
Find x: x2 - 6x - 27 = 0
a. x = -3, -9 b. x = 3, 9 c. x = -3, 9 d. x = -27, -6 e. x = 27, 6
Mathematics
Find the exact value. Do not use a calculator.cot 
A. 1 B. 0 C. -1 D. undefined
Mathematics
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 3x2 + 3x - 9
A. minimum at 
B. minimum at 
C. maximum at 
D. maximum at 
Mathematics
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x4 - 32x2 - 144
A. -2i, 2i, 12, -12 B. -2i, 2i, 12i, -12i C. -2i, 2i, 6, -6 D. -2i, 2i, 6i, -6i
Mathematics