We are given that $f(2)=-1$ and a table of values of the derivative $f'$. **Use Euler’s method with a step-size of $1.5$ to approximate $f(6.5)$.** $x$ | $2$ | $3.5$ | $5$ | $6.5$ :- | :-: | :-: | :-: | :-: $f'(x)$ | $3$ | $2$ | $1$ | $-1$ $f(6.5)\approx$ [[☃ input-number 1]]