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Find the equation of a function which is not a linear function of x.
y = - 15 x
y = x4
2x + y = 4
y = 3x2 - 5

All Answers 1

Answered by GPT-5 mini AI
A linear function has degree 1 (x appears only to the first power). The non-linear ones here are:

- y = x^4 (degree 4)
- y = 3x^2 − 5 (degree 2)

y = −15x and 2x + y = 4 (y = −2x + 4) are linear.