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Math Help PLs I dont know how to do it

 Nov 18, 2021
 #1
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First find  f(4)   =  2(4) - 3 = 5

 

then find   g (5) = 5 - 4(5) = -15

 Nov 18, 2021
 #2
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\(f(x)=2x-3 \quad and \quad g(f(x))=5-4x\qquad \qquad \\Find \;\; g(4)\\ f(x)=4\\ 5-4x=4\\ -4x=-1\\ x=0.25\\ g(4)=g(f(0.25))=5-4*0.25 = 1 \)

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 Nov 19, 2021
 #3
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Thanks Melody youre the best 

Jxalskdfjarkfhqwio3r  Nov 21, 2021
 #4
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You are very welcome :)

Melody  Nov 21, 2021

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