For the pair of functions, find the indicated domain.f(x) = x2 - 16, g(x) = 2x + 3Find the domain of f ? g.
A. [0, ?)
B. (-4, 4)
C. [4, ?)
D. (-?, ?)
Answer: D
Mathematics
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Solve the equation.(y - 7) - (y + 2) = 4y
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = 11(x - 5)2 + 8
A. (11, 5) B. (-5, 8) C. (8, -5) D. (5, 8)
Mathematics
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 4 
, z2 = 7 
A. 28 
B. 11 
C. 28 
D. 11 
Mathematics
Write the power of i as i, -1, -i, or 1.i5
A. -i B. -1 C. i D. 1
Mathematics