The inverse of the function f(x) = 2x + 5 is; f⁻¹(x) = (x - 5)/2
How to find the Inverse of a Function?
An inverse function in mathematics is function which reverses the another function.
We want to find the inverse of the function; f(x) = 2x + 5
Thus;
Step 1; y = 2x + 5
Step 2; Subtract 5 from both sides to get;
y - 5 = 2x
Step 3; Since we want to find the inverse of f(x), then we now have;
x - 5 = 2y
Step 4: Divide both sides by 2 to get;
(x - 5)/2 = y
Step 5; Thus, we have;
f⁻¹(x) = (x - 5)/2
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