The function takes the trapezoid's area as input and returns as output the length of the other base is A(x)/7-5=x.
What is area of trapezoid?
The function for the trapezoid area is:
A(x)=(B+b)*h/2
where B and b are the bases and h is the height.
What is the output length of the other base?
Given height of 14 and one base length of 5 with the length of its other base
With the given data: h=14 B and b =5 and x (it may vary which one is bigger)
So that function becomes:
A(x)=(5+x)*14/2
A(x)=(5+x)*7
So if you want the inverse function, you have to operate to find x:
A(x)/7=5+x
A(x)/7-5=x
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