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Find a+b if the line y=x+4 is tangent to f(x) = ax2 + bx at (2,0)? I know f(x) = ax^2 + bx f'(x) = 2ax+b what do i do from here?

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  • Find a+b if the line y=x+4 is tangent to f(x) = ax2 + bx at (2,0)? I know f(x) = ax^2 + bx f'(x) = 2ax+b what do i do from here?


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