Respuesta :
Answer:
yes
Step-by-step explanation:
there are variables so it is a function
Answer:
Yes, x^2 + 2y = 4 is a function.
Step-by-step explanation:
x^2 + 2y = 4
Solve for y.
2y = -x^2 + 4
y = -(1/2)x^2 + 2
f(x) = -(1/2)x^2 + 2
Answer: Yes, x^2 + 2y = 4 is a function.