Question

The function f(x) represented by the straight line in the graph is
and f^-1(x) is

Answer 1

f(x)=5x-2 f(x)^-1= (x+2)/5

Explanation:

slope is 5 y intercept=-2

y=5x-2

for f(x)^-1 insted x write y so x=5y-2

x+2/5=y