Algebra questions need help

Algebra
Tutor: None Selected Time limit: 1 Day

Apr 24th, 2015

(g- f)(x) = g(x)-f(x)

               = 5x -(3x+1)

               = 2x -1..........

g(f(x)= g(3x+1)

        = 5(3x+1)

          =15x +5

(f+g)(4)  = 5*4 + 3* 4 +1

              = 33........................................


Apr 24th, 2015

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