Solve the problem.If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where 
How many bolts must be sold to maximize revenue?
A. 1305 bolts
B. 2610 thousand bolts
C. 2610 bolts
D. 1305 thousand bolts
Answer: D
Mathematics
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Simplify.
A. 7x
B. 
C. 
D. 7
Mathematics
Solve the problem.A computer is purchased for $4100. Its value each year is about 75% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function 
Find the value of the computer after 2 years.
A. $1729.69 B. $1297.27 C. $6150.00 D. $2306.25
Mathematics
Factor the polynomial as the difference of two squares or state that it is irreducible.16x4 - 1
A. (4x2 + 1)(4x2 + 1) B. (4x2 + 1)(2x + 1)(2x - 1) C. (4x2 + 1)(4x2 - 1) D. (2x + 1)2(2x - 1)2
Mathematics
Evaluate.-5x2 for x = -12
A. -720 B. 120 C. 720 D. -120
Mathematics