Question 771374

{{{f(x) =-5x + 3}}}, find {{{f(a+1)}}}

substitute {{{x}}} with {{{(a+1)}}}

{{{f(a + 1)=-5(a+1) + 3}}}

{{{f(a + 1)=-5a -5 + 3}}}

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