Simplify the expression. Assume that all variables are non-negative.
A. 
B. 
C. 
D. 
Answer: A
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Graph the function.A contractor plans to include a window with an area of 20 ft2 in a home she is building. The window must have a width w of at least 4 ft but no more than 
Graph the length l as a function of w.
A. 
B. 
C. 
D. 
Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2, a = 7
A. P3(x) = 1 + 98(x - 7) + 1029(x - 7)2 + 9604(x - 7)3 B. P3(x) = 49 + 14(x - 7) + (x - 7)2 C. P3(x) = 1 + 14(x - 7) + 21(x - 7)2 + 28(x - 7)3 D. P3(x) = 49 + 14(x - 7) + 21(x - 7)2 + 28(x - 7)3
Identify the dependent and independent variables.Operating costs, profit
A. Dependent: Profit Independent: Operating costs B. Dependent: Operating costs Independent: Profit
Solve the problem.A flat rectangular piece of aluminum has a perimeter of 68 inches. The length is 14 inches longer than the width. Find the width.
A. 8 inches B. 26 inches C. 18 inches D. 28 inches