9514 1404 393
Answer:
A, C, D, E
Explanation:
Any relation that is different from a straight line with a defined constant slope will be a relation that is either or both of ...
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a) degree 3, not linear
b) a linear function
c) a vertical line with undefined slope, not a function
d) a curve opening downward, not linear
e) a line with a bend in the middle, not linear
f) a linear function