What is the inverse of the function f(x) =2x-10

The inverse of the ƒunction f(x) =2x-10  

Set A to set B is said to be a ƒunction if each member of set A pairs exactly one member of set B  

So, one value of x is only assigned to one value of y  

A ƒunction can be expressed in the form of a cartesian diagram, sequential pairs, or arrow diagrams  

If a ƒunction (f) pairs members of set A to set B, then the inverse of ƒunction f (f⁻¹) pairs members of set B to A, or easily f⁻¹ is the opposite of f  

or in the form of equations  

f (x) = y if and only if g (y) = x  

g (y) is called the inverse of f (x)  

The step for determining the inverse ƒunction  

Known :  

f (x) = 2x-10  

suppose f (x) = y then  

y = 2x-10  

2x = y + 10  

so that  

the ƒunction has an inverse ƒunction  

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the inverse of the ƒunction  

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the inverse of a ƒunction always a ƒunction  

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Keywords: ƒunction, inverse ƒunction, arrow diagrams  

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