Question 827925
Interchange {{{t}}} and {{{c(t)}}} and solve for {{{c(t)}}}:
{{{t=5*c(t)-200}}}
{{{t+200=5*c(t)}}}
{{{highlight(c(t)=(t+200)/5)}}}
This "new" {{{c(t)}}} is the inverse of the original {{{c(t)}}}.