If f(x) = -x2+9x-18, then what is the maximum value of f(x)?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

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

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition