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gjhfdfg
 3 years ago
Let f(x) = 2x  7 and g(x) = 4x + 3. Find (f ° g)(5).
gjhfdfg
 3 years ago
Let f(x) = 2x  7 and g(x) = 4x + 3. Find (f ° g)(5).

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dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1can you find g(5) = ????

dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1after you find g(5), put that answer into f...

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

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

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

gjhfdfg
 3 years ago
Best ResponseYou've already chosen the best response.1It would be 53 wouldnt it?

dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1that is the definition of (f ° g)(5) = f(g(5))

dpaInc
 3 years ago
Best ResponseYou've already chosen the best response.1yes.... :) f(23) = 2*(23)  7 = 46 7 = 53

gjhfdfg
 3 years ago
Best ResponseYou've already chosen the best response.1Thanks for your help.! =)
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