Determine the percent of change100 acres to 140 acres

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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