SOLUTION: 1) A rectangular garden , with length three times its width, is to be expanded so that both sides are increased by 9 yards
A) f(x)= 4x + 18
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Question 139246: 1) A rectangular garden , with length three times its width, is to be expanded so that both sides are increased by 9 yards
A) f(x)= 4x + 18
B) f(x)= 3x^2 + 81
C) f(x)= 3x^2 + 36x + 81
D) f(x)= 3x^2 + 18x + 81
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
if x=width, then C) is the area function
FOILing __ (x+9)(3x+9)=3x^2+27x+9x+81=3x^2+36x+81
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