The value of b is one. You just have to use the standard equation y = a + bx^2 + c. Get a, b, then c and from the given equation above you can derive a formula which is x is equal to the - b over 2 multiplied by a. if you get the value of x then substitute it to the equation and you will now get the value of b.
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Answer:
Yes
Step-by-step explanation:
I had this same question on a quiz and it is correct!
It is non proportional because it doesn’t go through the origin I am pretty sure