contestada

If x is a number that is 7 more than y, how do you express x as a function of y?
A. x = f(y) = 7 + x
B. x = f(y) = 7 + y
c. y = f(x) = 7x
D. y=f(x) =y-7
E. y=f(x) = 7+y

Respuesta :

Answer:

B.

Step-by-step explanation:

We are given x is a number that is 7 more than y.

This means when you add 7 to y you get x.

So the equation for this is 7+y=x.

We want x as a function of y. So we want to replace x with f(y).

This means we have the function 7+y=f(y) or f(y)=7+y by symmetric property of equality.

Your answer is B.

Answer:

the answer is  x = f(y) = 7 + y

Step-by-step explanation:

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