3 years ago

Lots of points.

Mathematics

1 answer:

Kazeer [188]3 years ago

3 0

Answer:

1. Not a function.

2. This is a function.

3. This is a function.

Step-by-step explanation:

1. 13 maps on to 4 and -4 so not a function.

2 and 3 - these both pass the vertical line test so they are functions.

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