Question

1) f(x)=x^2+x+1;
2) f(x)=x-2x^2
3) f(x)=x^3
4) f(x)=2x^2-3
в точке х=1, запишите уравнение​

Answer 1

1)

$f(1) = {1}^{2} + 1 + 1 = 3$

2)

$f(1) = 1 - 2 \times {1}^{2} = 1 - 2 = - 1$

3)

$f(1) = {1}^{3} = 1$

4)

$f(1) = 2 \times {1}^{2} - 3 = 2 - 3 = - 1$