Solve.
= 1.2
A. {1.2}
B. {-1.2}
C. {144}
D. {1.2, -1.2}
Answer: D
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Use the given graph to find the x-intercept and the zero of the function.
A. (3, 6); 3 B. (0, 0); 0 C. (6, 0); 6 D. (3, 0); 3
Perform the indicated operation. Where possible, reduce the answer to its lowest terms.
- 
A. 
B. 
C. 
D. 
For the given functions f and g, find the requested composite function.f(x) = 4x2 + 2x + 6, g(x) = 2x - 7;
Find (g ? f)(x).
A. 8x2 + 4x + 19 B. 8x2 + 4x + 5 C. 4x2 + 4x + 5 D. 4x2 + 2x - 1
Set up the linear programming problem.Charlene baby-sits for $4 per hour. She also works as a tutor for $7 per hour. Because of school, her parents only allow her to work 13 hours per week. How many hours can Charlene tutor and baby-sit and still make at least $50 per week? (a) Let x = hours spent baby-sitting and let y = hours spent tutoring. Write a system of inequalities for this situation. (b) Graph the solution set. 
What will be an ideal response?