Which function below is the inverse of f(x)= 7x-1/2

i want to die

what the hell man, i just want the points lol

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c