SOLUTION: This question relates to "Function Notation". Find the area, A(x), of a triangle with height 6x (inches) and base 9x-1 (inches). Find A(50).

Algebra ->  Equations -> SOLUTION: This question relates to "Function Notation". Find the area, A(x), of a triangle with height 6x (inches) and base 9x-1 (inches). Find A(50).      Log On


   

Question 624530: This question relates to "Function Notation".
Find the area, A(x), of a triangle with height 6x (inches) and base 9x-1 (inches). Find A(50).
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A(x) = (b*h)/2

A(x) = ((6x)(9x-1))/2

A(x) = (54x^2-6x)/2

A(x) = (2(27x^2-3x))/2

A(x) = 27x^2-3x

From here, plug in x = 50 into the last equation above and evaluate to find A(50).