The inverse function of the given function is
A function g is the inverse of a function f, if and only if the values of y= f(x), x = g(y).
From the formula given:
Let's substitute x with y;
Solve for y;
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Answer:
Slope = -4
Step-by-step explanation:
Given points are :
(-1,30) and (4, 10)
We need to find the slope of the line that passes through these points.
We know that, the formula for the slope of line is given by :
We have, x₁ = -1, y₁ = 30, x₂ = 4 and y₂ = 10
Put values in the above formula.
So, the slope of the line is -4.