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f'(1)=2
2=m-4
m=-4-2
m=-6
f'(x)= -6x-4
yang ditanya f(x)
berarti di integralkan
jadi
f(x)=-6/2x² - 4x +C
diketahui f(-1)=3
jadi
3=-6/2(1)²-4(1)+c
3=-6/2-4+c kalikan 2 kedua ruas
6= -6 -8+2c
2c=6+14
2c=20
c=10
jadi
f(x)= -3x²-4x +10
b. ditanya f(x) dx
artinya di integralkan
= -x³- 2x² +10x+ C
solved ;)