if f(x)=-5x+11 and f(n)=21 what does n equal

Discussion in 'Calculator Requests' started by math_celebrity, Nov 21, 2017.

Tags:
  1. math_celebrity

    math_celebrity Administrator Staff Member

    if f(x)=-5x+11 and f(n)=21 what does n equal

    f(n) = -5(n) + 11

    Since f(n) = 21, we have:
    -5(n) + 11 = 21

    Using our equation solver, we get n = -2.
     

Share This Page