no, but y = x2 is a function
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y is greater than 0
X is greater than or equal to 2. The symbol for "greater than or equal to" is a "greater than" sign over a horizontal dash.
' x ' = any whole number greater than ' 2 '.
(f-1)'=2+2x,x is greater than or equal to zero and f'(2)=3,find f'(x)
x > 2