The price of a stock on the New York Stock Exchange changes throughout the
day. The price of a certain stock can be modeled with the function
p(t)=0.3t3-2.7t2 + 4.5t + 42.5
where p(t) is the price of the stock in
dollars and t is the number of hours since the stock exchange opened Assume
that the stock can only be traded for 8 hours each day.
Which statements are true? Choose TWO correct answers