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gjhfdfg
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Let f(x) = 2x  7 and g(x) = 4x + 3. Find (f ° g)(5).
 one year ago
 one year ago
gjhfdfg Group Title
Let f(x) = 2x  7 and g(x) = 4x + 3. Find (f ° g)(5).
 one year ago
 one year ago

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dpaInc Group TitleBest ResponseYou've already chosen the best response.1
can you find g(5) = ????
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.1
after you find g(5), put that answer into f...
 one year ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.1
I'm a little lost, so pretty much just do this, 2*(5) 7 and 4*(5) + 3? Is that what your saying?
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.1
yes... but i only wanted g(5)... so g(5) = 4*(5) + 3 = ???? what's the answer here?
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.1
good... now that you found g(5)=23, that 23 goes into f. so you need to find f(23) = ???
 one year ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.1
It would be 53 wouldnt it?
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.1
that is the definition of (f ° g)(5) = f(g(5))
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.1
yes.... :) f(23) = 2*(23)  7 = 46 7 = 53
 one year ago

dpaInc Group TitleBest ResponseYou've already chosen the best response.1
good work... :)
 one year ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.1
Thanks for your help.! =)
 one year ago
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