Science:Math Exam Resources/Courses/MATH110/December 2014/Question 03 (a)/Statement

Sketch the graph of the following function,

$$f(x)={\begin{cases}e^{x}&{\text{if }}x\leq 0\\{\sqrt {x}}&{\text{if }}0<x<4\\\displaystyle 2x-6&{\text{if }}x\geq 4.\end{cases}}$$