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1 vote
Which function is a quadratic function?

f(x) = 2x2
g(x) = 5x3
k(x) = –x
b(x) = –9x4

User Demetrius
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2 Answers

6 votes

Answer:

A. f(x) = 2x2

Explanation:

User Stepan Kasyanenko
by
4.7k points
4 votes
The answer is the first one
User Terhechte
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4.8k points