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

Respuesta :

B....you are adding 4
The question to your answer is add 4 because 1+4=5,3+4=7,4+4=8 so your answer is C