The graph of a function $g$ is given below. Estimate $\int_{-3}^{\,3} {g(x)}\,dx$ using six subintervals with (a) right endpoints, (b) left endpoints, and (c) midpoints.

(a) $\int_{-3}^{\,3} {g(x)}\,dx \approx$

(b) $\int_{-3}^{\,3} {g(x)}\,dx \approx$

(c) $\int_{-3}^{\,3} {g(x)}\,dx \approx$

You can earn partial credit on this problem.