The function below models the average price of gas in a
small town since January 1st.
G(t) = -0.004914 + 0.092383 – 0.56t2 + 1.166t + 3.23, where
0 < t < 10.
If G(1) is the average price of gas in dollars and t represents
the number of months since January 1st, the absolute
maximum G(t) reaches over the given domain is about