Use a Graphing Calculator to Estimate the Local Maximum and Local

Multiple Choice

Use a graphing calculator to estimate the local maximum and local minimum values of the function to the nearest
hundredth.
-The polynomial $G ( x ) = - 0.006 x ^ { 4 } + 0.140 x ^ { 3 } - 0.53 x ^ { 2 } + 1.79 x$ measures the concentration of a dye in the bloodstream x seconds after it is injected. Does the concentration increase between 12 and 13 seconds?

A) No
B) Yes