# Science:Math Exam Resources/Courses/MATH102/December 2017/Question 10 (c)

MATH102 December 2017

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### Question 10 (c)

An animal foraging in a food patch has a net energy gain of ${\textstyle f(t)}$ by the time it has been foraging for ${\textstyle t}$ min (where ${\textstyle t}$ is nonnegative and ${\textstyle f(0)=0}$).

(c) Shown below are functions ${\textstyle f_{1}(t)}$ and ${\textstyle f_{2}(t)}$ representing the net energy gained from foraging in two different food patches for time ${\textstyle 0\leq t\leq 100}$ min. What might account for the decline in ${\textstyle f(t)}$ in Patch 1? (Write one sentence.)

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