Answer:we cant see the drop down menu so we cant answer the question!
Step-by-step explanation:
Answer: y + x = ?
y - x = ?
y times x = ?
y / x = ?
Step-by-step explanation: If 1 is correct tell me, if none are, i will edit :D
To evaluate a function at a given input, you have to substitute every occurrence of the variable with that particular value.
So, for the first function, you have

The name of the variable is obviously irrelelvant, so the same goes for the second function:
