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The Watercooler
Anyone here real good at Algebra 2 (composition of functions)??
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<blockquote data-quote="TeDo" data-source="post: 548881"><p>Don't quote me 100% but I think it's close if it's not right on. First you have to do g(-a) by substituting -a for the x. The carrot symbol means "raised to the power". This should give you </p><p></p><p>(-a)^2 +2 </p><p>= a^2+2. </p><p></p><p>Then you take that and substitute that back into the original equation again giving you (a^2 +2)^2 +2</p><p>= a^4 +4a^2 +4 +2 </p><p>=a^4 + 4a^2 +6.</p><p></p><p>Like I said, not 100% positive but pretty darn close.</p></blockquote><p></p>
[QUOTE="TeDo, post: 548881"] Don't quote me 100% but I think it's close if it's not right on. First you have to do g(-a) by substituting -a for the x. The carrot symbol means "raised to the power". This should give you (-a)^2 +2 = a^2+2. Then you take that and substitute that back into the original equation again giving you (a^2 +2)^2 +2 = a^4 +4a^2 +4 +2 =a^4 + 4a^2 +6. Like I said, not 100% positive but pretty darn close. [/QUOTE]
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Anyone here real good at Algebra 2 (composition of functions)??
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