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<em>Answer:</em>
Yes, this is a function.
No, this is not a linear function.
<em>Step-by-step explanation:</em>
A function is a process or a relation that associates each element x of a set X, the domain of the function, to a single element y of another set Y
Linear functions are those whose graph is a straight line. A linear function has the following form. y = f(x) = a + bx. A linear function has one independent variable and one dependent variable.
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Pretty sure it’s (4, 4 or x = 4 and y = 4 Hope this helps !
7.5? well 7 1/2? there is the answer
