Find an equation for f 1 x the inverse function
Asked by admin @ in Mathematics viewed by 294 People
Find the inverse function F -1 (X) for the given function F (X)
Answered by admin @
Solution for question 5:
f(x) = 4x - 8
To find f^-1(x) write it as an equation:
y = 4x - 8
Then take x to left and y to right;
x = 4y - 8
Then solve for y;
y = (x + 8)/4 = x/4 + 2
Your y is the inverse of f(x) = 4x - 8
f^-1(x) = x/4 + 2
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