(Solved): Graph the integrand, and use area to evaluate the definite integral \( \int_{-5}^{7}\left(\frac{x} ...

Graph the integrand, and use area to evaluate the definite integral \( \int_{-5}^{7}\left(\frac{x}{2}+7\right) d x \) The value of the definite integral \( \int_{-5}^{7} \cdot\left(\frac{x}{2}+7\right) d x \) as determined by the area under the graph of the integrand is (Simplify your answer.)