Add or subtract as indicated.Add.
A. 10ab3 + 4a2b2 - 2b5
B. 10ab3 + 4a2b2 + 4b5
C. 10ab3 + 4a2b2
D. 10ab3 + 4a2b2 - 4b5
Answer: D
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An apple orchard has an average yield of 38 bushels of apples/tree if tree density is 21 trees/acre. For each unit increase in tree density, the yield decreases by 3 bushels. Letting x denote the number of trees beyond 21/acre, find a function in x that gives the yield of apples.
What will be an ideal response?
Round the money amount to the specified place.$4.379 to the nearest cent.
A. $4.38 B. $4.37 C. $4.4 D. $4
Solve the variation problem.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 216 feet B. 264.3 feet C. 252 feet D. 252.34 feet
Decide whether or not the functions are inverses of each other.
A. No B. Yes