Question

Find the inverse of the function for x in terms of y
y=7-0.3x

Answer 1

`{ \tt{y = 7 - 0.3x}} \\ \\ { \tt{ - 0.3x + 7 = y}} \\ \\ { \tt{ - 0.3x = y - 7}} \\ \\ { \tt{x = (7 - y)/(0.3) }} \\ \\ { \boxed{ \tt{ {x}^( - 1) = (10(7 - y))/(3) }}}`