taiwan-gsat 2007 Q3

taiwan-gsat · Other · gsat__math Stationary points and optimisation Find absolute extrema on a closed interval or domain

3. The temperature function for a certain desert region during a certain period is $f(t) = -t^2 + 10t + 11$, where $1 \leq t \leq 10$. The maximum temperature difference in this region during this period is
(1) 9
(2) 16
(3) 20
(4) 25
(5) 36

& 4 & \multirow{4}{*}{B} & 14 & － & \multirow{4}{*}{G} & 34 & 8

3. The temperature function for a certain desert region during a certain period is $f(t) = -t^2 + 10t + 11$, where $1 \leq t \leq 10$. The maximum temperature difference in this region during this period is\\
(1) 9\\
(2) 16\\
(3) 20\\
(4) 25\\
(5) 36

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11