Help! Will mark brainliest!
Explain how you can tell the function f(x) = x + 4 is not linear by using points on its graph.
Which of the following equations would not be a line when graphed? Explain how you can tell by just looking at the equations.
y = 9
y = -2x^2 + 4
y = -8x + 3
y = 7
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x
