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18 June, 11:19

Which equation represents a linear function?

y = 9 - X

y = x2 + 1

o

y=x² + 5

D)

y = [xl - 9

+4
Answers (1)
  1. 18 June, 11:48
    0
    Step-by-step explanation:

    y = 9 - X is a linear function; x is to the first power.

    y = x2 + 1 does NOT represent a linear function; it's a quadratic function.

    o

    y=x² + 5 does NOT represent a linear function; it's a quadratic function.

    D)

    y = [xl - 9 does NOT represent a linear function; it's an absolute value function. This function has two halves, each of which is a linear function.

    But the best answer here is that y = 9 - X is a linear function; x is to the first power.
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