Question

What is the range of f(x)=x2+4 if the domain is {2,0,1}

Answer 1

F(x)=x2+4=2*2+4=4+4=8 when x=2
f(x)=x2+4=0*2+4=4 when x=0
f(x)=x2+4=1*2+4=6 when x=1
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