Simplify.x4x6 + x5x5
A. 2x25
B. 2x49
C. x10
D. 2x10
Answer: D
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Find a formula for the inverse of the function described below.A size-42 dress in Country C is size 9 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 2(x - 12) B. f-1(x) = x + 12 C. f-1(x) = 2x + 12 D. f-1(x) = 2(x + 12)
Solve.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. -105 pretzels B. 0.7 pretzels C. 350 pretzels D. 700 pretzels
Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.Find the cost to asphalt a circular racetrack if asphalt costs $60 
Round to the nearest dollar.r = 80 ftR = 145 ft
A. $12,058 B. $39,611 C. $31,840 D. $27,554
Match the inequality or system of inequalities with its graph.y ? 3x
A. 
B. 
C. 
D. 