polynomial function

Given a polynomial f(x) of degree 2, where f(x+1)-f(x)=6X-8 and f(1)=26, then what is f(2)

Quote:

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Originally Posted by math123456

Given a polynomial f(x) of degree 2, where f(x+1)-f(x)=6X-8 and f(1)=26, then what is f(2)

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note that



now, plug in everywhere