Solve the problem.How long must $4900 be in a bank at 7% compounded annually to become $7868.33? (Round to the nearest year.)
A. 6 yr
B. 8 yr
C. 9 yr
D. 7 yr
Answer: D
Mathematics
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Find the second derivative of the function.y = 
A. 
= 2 - 
B. 
= 2 + 
C. 
= 1 + 
D. 
= 2x - 
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.17x + 18.9 B. y = 1.17x + 16.4 C. y = 1.03x + 18.9 D. y = 1.03x + 16.4
Mathematics
Solve.(4m - 4)2 - 2(4m - 4) - 15 = 0
A. 
, - 
B. - 
, - 
C. - 
, 
D. 
, 
Mathematics
Find the solution.(x - 7) ÷ 5 = 9
A. 315 B. 80 C. 52 D. 38
Mathematics