Given functions f and g, determine the domain of f + g.f(x) = 4x + 5,g(x) = 3x + 3
A. (-?, -4) or (-4, ?)
B. (-?, 0) or (0, ?)
C. (0, ?)
D. (-?, ?)
Answer: D
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Solve.5x - y - 8z = 15-7x + 8y + 3z = 229x - 2y + z = 56
A. (-8, 9, 16) B. No solution C. (8, 9, 2) D. (8, 2, 9)
The table compares the national averages for an industry to the results for a given company in the industry. Identify any areas that might require attention by management and offer suggestions.
What will be an ideal response?
Tell whether the expression is a polynomial. If it is, give its degree.6x2 - 
A. Polynomial; degree -1 B. Polynomial; degree 1 C. Polynomial; degree 2 D. Not a polynomial
The circle graph below shows the number of pizzas consumed by college students in a typical month. Use the graph to answer the question. 
If State University has approximately 32,000 students, about how many would you expect to consume 5-6 pizzas in a typical month?
A. 576 students B. 1088 students C. 10,880 students D. 5760 students