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Let f (x) = -5x + 3 and g(x) = 6x - 2. Find f• g and its domain.
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Let f (x) = -5x + 3 and g(x) = 6x - 2. Find f• g and its domain.

User Ratty
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1 Answer

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f(x)=-5x+3
g(x)=6x-2

f(6x-2)=-30x+13

Evaluate f(6x−2)f(6x-2) by substituting in the value of g into f

f(6x−2)=−5(6x−2)+3

f(6x-2)=-5(6x)-5.-2+3

MULTIPLY 6 x 5

f(6x-2)=-30x-5.-2+3

MULTIPLY -5 x -2

f(6x-2)=-30x+10+3

ADD 10+3

f(6x-2)=-30x+13
User Eddie Parker
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