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Which of the following functions is quadratic? A.f(x) = 2/x^2 B. f(x) = 3(3-x) c. f(x) = 7^2 D. f(x) = 2x^2 +3x - 5

Which of the following functions is quadratic? A.f(x) = 2/x^2 B. f(x) = 3(3-x) c. f(x) = 7^2 D. f(x) = 2x^2 +3x - 5
asked 61.9k views
5 votes
Which of the following functions is quadratic?

A.f(x) = 2/x^2
B. f(x) = 3(3-x)
c. f(x) = 7^2
D. f(x) = 2x^2 +3x - 5

asked
User Saurabh
by
8.3k points

1 Answer

10 votes

Answer:

D

Explanation:

the 'x' term is squared but not in the denominator

answered
User Victor Smirnov
by
7.8k points
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