Let f(x)={12,if 0≤x≤1213,if 12<x≤1f(x) = \begin{cases} \frac{1}{2}, & \text{if } 0 \leq x \leq \frac{1}{2} \\ \frac{1}{3}, & \text{if } \frac{1}{2} < x \leq 1 \end{cases}…

Problem

Let f(x)={12,if 0≤x≤1213,if 12<x≤1f(x) = \begin{cases} \frac{1}{2}, & \text{if } 0 \leq x \leq \frac{1}{2} \\ \frac{1}{3}, & \text{if } \frac{1}{2} < x \leq 1 \end{cases}, then ff is a. A rational function b. A trigonometric function c. A step function d. An exponential function

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