## Calculus, 10th Edition (Anton)

$$f(x)= x^2+x-6$$
Given Slope$=2x+1$ and passes through $(-3,0)$ Since the curve is given by \begin{align*} f(x)&=\int (2x+1)dx\\ &=x^2+x+c \end{align*} Since the curve passes through $(-3,0)$, then $c= -6$ and $$f(x)= x^2+x-6$$