Find the slope of the line.y = -3
A. -3
B. 3
C. 0
D. Undefined
Answer: C
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One model for expenditures at high schools gives the cost C, in dollars per pupil, as a function of the number n of students enrolled. The relationship is
.
?
Find the enrollment and cost that correspond to the minimum cost per pupil. Round your answers to the nearest whole number.
A. An enrollment of 1909 gives a minimum cost of $340 per pupil. B. An enrollment of 340 gives a minimum cost of $1909 per pupil. C. An enrollment of 1911 gives a minimum cost of $344 per pupil. D. An enrollment of 344 gives a minimum cost of $1911 per pupil.
Simplify the expression.-64-4/3
A. 256
B. 
C. - 
D. not a real number
Simplify the radical expression. Assume all variables represent positive real numbers.
A. -7 B. 19 C. 49 D. ±7
Solve the inequality and graph the solution set.y + 3 < 4 
A. {y|y ? 1} or [1, ?)
B. {y|y ? 1} or (-?, 1]
C. {y|y > 1} or (1, ?)
D. {y|y < 1} or (-?, 1)