Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = x + 3, g(x) = 
A. (-?, -4) ? (-4, -3) ? (-3, ?)
B. (-?, -4) ? (-4, ?)
C. (-?, -7) ? (-7, ?)
D. (-?, ?)
Answer: B
Mathematics
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Solve for y in terms of x.log 2 x + log 2 y = 1
A. y = 
B. y = 1 - x
C. y = 
D. y = 2 - x
Mathematics
Establish the identity.
= 
What will be an ideal response?
Mathematics
Solve using the elimination method. Use a graphing calculator to check your answer.0.8x + 0.6y = 2.6 x - 0.8y = -1.4
A. (3, 1) B. (1, 3) C. (0.1, 0.3) D. No solution
Mathematics
Find the slope of the line going through the given pair of points.
and 
A. 
B. 
C. 
D. 
Mathematics