Chapter 3, Problem 50RE

(a)

To determine

The value of $P\left(6\right),\underset{t\to 6^{-}}{\lim }P\left(t\right)$ and $\underset{t\to 6^{+}}{\lim }P\left(t\right)$ then check if $\underset{t\to 6}{\lim }P\left(t\right)$ exist and then elaborate it where $P\left(t\right)$ represents the stock value of Gapple Computer, Inc. The graph represents the value of stock price of Gapple Computer, Inc. before and after Juan Robles bought it. The graph is:

(b)

To determine

Whether the function of the value of stock of Gapple Computer, Inc. $P\left(x\right)$ is continuous and differentiable at $t=3$ then elaborate it. The graph represents the value of stock price of Gapple Computer, Inc. before and after Juan Robles bought it. The graph is: