Find the domain of the composite function f?g.f(x) = 
; g(x) = 4x + 8
A. [0, ?)
B. [-2, ?)
C. (-?, ?)
D. (-?, -2] or [0, ?)
Answer: B
Mathematics
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Simplify the expression by combining like terms. -5.5h + 7.7h
A. -13.2h B. 2.2h C. -2.2h D. 13.2h
Mathematics
Divide using long division.
A. 5x2 + 5x + 4 B. x2 - 5x - 4 C. 5x2 + 4 D. x2 + 5x + 4
Mathematics
Solve the equation.5y = 80
A. 17 B. 16 C. 19 D. 18
Mathematics
Does the graph represent a function that has an inverse function?
A. No B. Yes
Mathematics