jika f(x)= 2x-x^2 lim h mendekati 0 f(2+h) - f(2)/h

limit tidak saya tulis
f(x) = 2x - x²
f(2 + h) = 2(2 + h) - (2 + h)² = 4 + 2h - (4 + 4h + h²)
f(2 + h) = -2h - h²
f(2) = 2(2) - 2² = 0
dianggap gini → [f(2 + h) - f(2)]/h
= [(-2h - h²) - 0]/h
= h(-2 - h)/h
= -2 - h
substiusi h→0
= -2 - 0
= -2