Question

Найти f`(0) и f (1), если:

f(x)= -x^2+3x+1

Answer 1

f(1) = -1^2+3*1+1=-1+3+1=3

f`(x)=( -x^2+3x+1 )`=-2*x+3

f`(0)=-2*0+3=0+3=3