Question

how do i find the derivative of 1/2(t^2+t)

Answer 1

Do you mean 0.5(t^2+t) or \[1/(2(t^2+t))?\]

Answer 2

0.5(t^2+t)

Answer 3

The derivative of \[t^2 \] is 2t (Power rule) and the derivative of t is 1.
So the derivative is 0.5(2t+1) = t + 0.5.