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?
Mathematics
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Solve by factoring and using the principle of zero products.20d2 + 33d + 10 = 0
A. 
, 
B. - 
, - 
C. - 
, - 
D. 
, 
Mathematics
Find all the x-values that meet the stated condition.For f(x) = x2 - 2x, find all x-values for which f(x) ? 8.
A. [-2, 4], or {x
-2 ? x ? 4}
B. (-4, 2), or {x
-4 < x < 2}
C. [-4, 2], or {x
-4 ? x ? 2}
D. (-?, -4] ? [2, ?), or {x
x ? -4 or x ? 2}
Mathematics
Simplify the expression.
A. - 
B. 
C. 1
D. -1
Mathematics
For problems 9-10 use the system of inequalities.
Use an algebraic method to find the vertices.
A. 
B. 
C. 
D. 
E. none of these
Mathematics