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.
Answer: A
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What is the largest prime factor of 8,575? Explain why.
A. 343, since the prime factorization is 5(5)(343). B. ?7, since the prime factorization is 5(5)(7)(7). C. ?35, since the prime factorization is 5,5,7,7,7. D. ?7, since the prime factorization is 5(5)(7)(7)(7). E. 5, since the sum of the digits is divisible by 5. F. ?none of the above, since the number is prime.
Convert the angle to radians. Leave as a multiple of ?.630°
A. - 
B. 7?
C. - 
D. 
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Solve. Clear decimals first.1.8x + 1.9 = -88.1 + 10.8x
A. -99 B. 10 C. 8.3 D. 8.5