Sam has an operation machine. When she puts in a 1, she gets a 5. When she puts in a 3, she gets a 7. When she puts in a 4, she
gets an 8. What is the operation that happens to the input to get the output? A) add 5 B) add 4 C) subtract 4 D) multiply by 5
= B) add 4
= B) add 4
1 answer:
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