Find the domain of the composite function f?g.f(x) = 6x + 12, g(x) = 
A. (-?, -2] ? [0, ?)
B. [-2, ?)
C. [0, ?)
D. (-?, ?)
Answer: C
Mathematics
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Solve the problem.Missy and Karl work at different jobs. Missy earns 
per hour and Karl earns 
per hour. They each earn the same amount per week but Karl works 3 more hours. How many hours a week does Karl work?
A. 6 B. 9 C. 3 D. 12
Mathematics
Factor.12y2 + 54y - 30
A. 6(2y + 1)(y - 5) B. 12y2 - 54y - 30 C. (12y - 6)(y + 5) D. 6(2y - 1)(y + 5)
Mathematics
Graph the parabola and label the vertex. Find the y-intercept.y = 
x2 - 5
A. vertex (0, 5), y-intercept (0, 5)
B. vertex (0, 5), y-intercept (0, 5)
C. vertex (0, -5), y-intercept (0, -5)
D. vertex (0, -5), y-intercept (0, -5)
Mathematics
Solve the equation. Give the solution in interval notation.
A. 
B. 
C. 
D. 
E. no solution
Mathematics