junior3 junior3

28-05-2014
Mathematics

contestada

What is the range of the function f(x)=1/2x+3 when the domain is {-2, 0, 2}

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kate200468 kate200468

28-05-2014

[tex]f(x)= \frac{1}{2} \cdot x+3 \\\\f(0)= \frac{1}{2} \cdot (-2)+3=-1+3=2 \\\\f(0)= \frac{1}{2} \cdot 0+3=0+3=3 \\\\f(2)= \frac{1}{2} \cdot2 +3=1+3=4\\\\The\ range=\{2;\ 3;\ 4\}[/tex]

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