How I can Plots this function

how can write the code of this function

Answer 1

[Yasasvi Harish kumar]

Hey,

This should help you.

function x = question(t)
    if t >=0
        x = 3*exp(-2*t);
    else
        x = 0;
    end
end

Regards

Answer 2

[Star Strider]

Another approach:

x = @(t) 3*exp(-2*t) .* (t >= 0);
t = linspace(-10,10);

figure
plot(t, x(t))