algebra 1.docx

(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.......

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