Explanation:
Given
f(x) = 2x - 10
f^-1(x) = ?
Now
Let y = f(x)
y = 2x - 10
Interchanging the roles of x and y we get,
x = 2y - 10
x + 10 = 2y
y =(x + 10) / 2
f^-1(x) = (x + 10)/ 2
Hope it will help :)❤
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