Solve the application problem.Mark started his morning walk by going uphill for 5 minutes. Then for the next 5 minutes, he walked downhill to an elevation lower than his starting point. For the next 10 minutes, he walked on level ground. For the final 10 minutes, he walked uphill. Which graph matches the description of Mark's walk?
A. 
B. 
C. 
D. 
Answer: D
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Factor completely.32m9 - 64m4 + 48m2
A. m2(32m7 - 64m2 + 48) B. -m2(-32m7 - 64m2 - 48) C. 16(2m9 - 4m4 + 3m2) D. 16m2(2m7 - 4m2 + 3)
Use the verbal description to write a formula for f(x). Then evaluate the function as indicated.Multiply the input by 3 to obtain the output. Find f(2).
A. f(x) = 3x; 6 B. f(x) = -3x; -6 C. f(x) = -3x; 1 D. f(x) = 3x; 5
Solve the problem.A piece of molding 
long is to be cut to form a rectangular picture frame. What dimensions will enclose the largest area? Round to the nearest hundredth if necessary.
A. 13.75 cm x 13.75 cm B. 37.8 cm x 37.8 cm C. 13.75 cm x 47.25 cm D. 47.25 cm x 47.25 cm
Solve the problem.A new piece of equipment cost a company $54,000. Each year, for tax purposes, the company depreciates the value by 25%.What value should the company give the equipment after 8 years?
A. $5,406 B. $1 C. $3 D. $7,208