Find the extreme values of the function subject to the given constraint.
A. Maximum: 8 at 
minimum: -8 at 
B. Maximum: 8 at 
minimum: 0 at 
C. Maximum: 8 at 
minimum: -8 at 
D. Maximum: 8 at 
minimum: 0 at 
Answer: A
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Solve the problem.A square plywood platform has a perimeter which is 7 times the length of a side, decreased by 18. Find the length of a side. 
A. 1 B. 9 C. 6 D. 3
Solve the problem.An initial investment of $1000 is appreciated for 2 years in an account that earns 9% interest, compounded annually. Find the amount of money in the account at the end of the period.
A. $1188.10 B. $1090.00 C. $188.1 D. $1295.03
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 + 16.4 B. y = 1.03x + 18.9 C. y = 1.03x + 16.4 D. y = 1.17x + 18.9
Are the given lines parallel, perpendicular, or neither?
6x- 2y+ 3= 0 2x- 6y- 1= 0