Solve.The daily profit in dollars of a specialty cake shop is described by the function 
where x is the number of cakes prepared in one day. The maximum profit for the company occurs at the vertex of the parabola. How many cakes should be prepared per day in order to maximize profit?
A. 625 cakes
B. 25 cakes
C. 1875 cakes
D. 50 cakes
Answer: B
Mathematics
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Solve. If a car travels the distance given by the polynomial p2 + 2p - 28 in the time given by the polynomial 
then give an expression for its speed.
A. p + 5 + 
B. p - 5
C. p - 7 + 
D. p - 5 + 
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
At what time was the temperature 72°?
A. 10 a.m. B. 9 a.m. and 10 a.m. C. 6 p.m. D. 9 a.m.
Mathematics
For each set described, write the set in roster form.The set of letters needed to spell these words:toot, tot, too, to
A. {t, o} B. {t, t, o} C. {t, o, o} D. {t, t, o, o}
Mathematics
Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. y10
D. 
Mathematics