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anonymous
 one year ago
Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work
anonymous
 one year ago
Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Substitute all x of f(x) to 2x^2+5.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438121254032:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Did you understand it or do you need more help?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i probably need more help. im having a lot of trouble with this stuff

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay so can you tell me the function now after you substitute x as g(x)?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Just make all x as 2x^2+5, then combine like terms.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh okay, is that all?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes. Could you press the "draw" button and try to show me the function?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0f(x)= (2x^2)^2 + 2x^2 +5 +2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Is this your function? dw:1438121804638:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think you forget something. :) What is g(x) again?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh i see my error. let me try again

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438122029529:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes. :) Now solve it.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Start with this. dw:1438122119288:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Are you having any difficulty so far?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438122304749:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0There's something missing. Try the FOIL method.dw:1438122345260:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is it 4x^4 + 20x^2+25

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Great! So the function is now dw:1438122528248:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0There's no subtraction in the function.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438122865261:dw