Do you mean an extraneous solution? I will tell you what I think. To tell if a solution is extraneous you need to go back to the original problem and check if there actually is a solution or if the solution is actually right. If not then it is extraneous.
(f∘g)(x) = f(g(x)) = f(x +2)
= 2(x +2) -1
= 2x +3 . . . . . selection D
8x^4 + x^3 - 4x^2 +1. I believe the answer is B. Please correct me if I am wrong.
Answer: I think it has 10 vertices
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send me a message i think i can help
have a nice day
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