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babunello [35]
3 years ago
8

Find f(x) if it is known that f(x+3)=4x+12.

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Solution:

we are given that

f(x+3)=4x+12

we have been asked to find f(x).

we can find the value of f(x) by re-writing the given function in the form of f(x+3) and thereafter we will replace (x+3) by x.

we can re-write the given function as below

f(x+3)=4(x+3)\\\\\Rightarrow f(x)=4x\\

Hence the expression representing f(x) is f(x)=4x+3.

Masteriza [31]3 years ago
3 0
I got x= -9/5 but I may have set up the equation wrong. I did x+3=4x+12.
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8 0
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Hope this helps.
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