If f(x)=3(x-2)^2+6, what is f(-5)?
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[tex]\\ \sf\longmapsto f(x)=3(x-2)^2+6[/tex]
[tex]\\ \sf\longmapsto f(-5)=3(-5-2)^2+6[/tex]
[tex]\\ \sf\longmapsto f(-5)=3(-7)^2+6[/tex]
[tex]\\ \sf\longmapsto f(-5)=3(49)+6[/tex]
[tex]\\ \sf\longmapsto f(-5)=147+6[/tex]
[tex]\\ \sf\longmapsto f(-5)=153[/tex]