k=.3298;
Ut=2.1611;


hold off
t=[0:0.01:4];
x=k/2 .* (t-Ut).^2;
x1=(t-(10*(110/(110+195))))/-23.5;
plot(t, x, 'DisplayName', 'Id=k/2 * (Ugs-Ut)^2')
hold on
plot(t, x1, 'DisplayName', 'DC-linje')
grid on
ylim([0 0.06])
xlim([2.1611 4])
xlabel('Ugs [V]')
ylabel('Id [I]')

text(2.69, 0.04, 'Q')
legend('show')