SOLUTION: Using function notation. Find the area, A(x), of a triangle with height of 6x (inches) and base 9x-1 (inches) Find A(50) Really need to see how to work out each step Thanks, Deb

SOLUTION: Using function notation. Find the area, A(x), of a triangle with height of 6x (inches) and base 9x-1 (inches) Find A(50) Really need to see how to work out each step Thanks, Deb

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Question 286213: Using function notation. Find the area, A(x), of a triangle with height of 6x (inches) and base 9x-1 (inches) Find A(50)
Really need to see how to work out each step
Thanks, Deb
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
A=1/2*b*h
A(x)=1/2*(9x-1)*(6x)
substitute 50 for every x
A(50)=!/2*(6*50)*((9*50)-1)

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