Answer:
Step-by-step explanation:
f(x) = x + 1, find f(x+3)
f(x+3) = x + 3 + 1 = x + 4
Answer: f(x+3)=x+4
f(x)=x+1
f(x+3)=(x+3)+1 ⇔ substitute x
f(x+3)=x+3+1 ⇔ take of parentheses
f(x+3)=x+4 ⇔ simplify
Hope this helps!! :)
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