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1 September, 12:20

What is the range of f (x) = 3x + 9?

O {yly<9)

Oyly>9}

{yly> 3}

o [yly <3}

A B C OR D?

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  1. 1 September, 12:23
    0
    Something seems strange: the range of 3x+9 is the whole real number set. In fact, it is a polynomial of degree 1, and all polynomials with odd degrees range from negative to positive infinity, covering all the values in between.
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