Question

Вычислите y'(3) если y=x^2+3x-7

Answer 1

y'=2x+3


y'(3)=2*3+3=6+3=9

Answer 2

y=x²+3x-7

y'=(x²)'+(3x)'-7'=2x+3

y'(3)=2*3+3=6+3=9