Question 120276

If {{{f(x)=5x-1}}}

find

{{{f(a-2) }}}

{{{f(x)=5x-1}}}.........substitute {{{x}}} with {{{a-2}}}

{{{f(a-2)= 5(a-2)-1}}}

{{{f(a-2)= 5a - 10 -1}}}

{{{f(a-2)= 5a - 11}}}