Consider the function represented by the equation x – y = 3. What is the equation written in function notation, with x as the independent variable?
f(x) = y + 3
f(x) = –y – 3
f(x) = –x + 3
f(x) = x – 3
Answers
Answer:
A: f (x) = y + 3
Step-by-step explanation:
If X is the function, then we want to get it by itself. You have to move the y over. Act as though this is a normal equation. What you do to one side you have to do to the other.
Step 1:
x - y = 3
You have to get rid of - y from the left side of the equation. To do this you must add y to both sides it should look something like this:
( x - y ) + y = 3 + y
x = 3 + y
Step 2:
x = 3 + y
Make sure that x is a positive, if it is not we have to change it. X is positive in this case, so we won't have to do anything with it now. Rearrange the 3 and y to match one of the answers:
x = y + 3
x - y = 3 is x = y + 3 in function notation. A is your answer
Answer:
the answer is A
Step-by-step explanation:
A: f (x) = y + 3
Step-by-step explanation:
If X is the function, then we want to get it by itself. You have to move the y over. Act as though this is a normal equation. What you do to one side you have to do to the other.
Step 1:
x - y = 3
You have to get rid of - y from the left side of the equation. To do this you must add y to both sides it should look something like this:
( x - y ) + y = 3 + y
x = 3 + y
Step 2:
x = 3 + y
Make sure that x is a positive, if it is not we have to change it. X is positive in this case, so we won't have to do anything with it now. Rearrange the 3 and y to match one of the answers:
x = y + 3
x - y = 3 is x = y + 3 in function notation.