Question

calcule a inversa de
f(X)=5/4-2x

Answer 1

f(X) = y , y = 5/4 - 2x
Inversa ---  x = 5/4 - 2 y -------2y + x = 5/4 -------- 2y = 5/4 - x 
y = 5/8 - x/2