f(x)=3xkuadrat+x-7 g(x)=2x+1 tentukan gof(x)?

f(x)= 3x²+x-7
g(x)= 2x+1

.. gof(x) = g (f (x) )
= g (3x²+x-7)
= 2x+1
= 2(3x²+x-7)+1
= 6x²+2x-14+1
= 6x²+2x-15

...smoga brmnffaat dn mmbntu