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Find a+b if the line y=x+4 is tangent to f(x) = ax2 + bx at (2,0)?

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  • Find a+b if the line y=x+4 is tangent to f(x) = ax2 + bx at (2,0)?


Answers

... y = f(x). To find the tangent line at ... precludes a geometric tangent. The graph y = x 1/3 ... by y = f(x), the tangent line's
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Positive: 30 %
. f(x) = ax^2 + bx f'(x) = 2ax + b y = x + 4 Since line y = x + 4 is tangent to graph f(x) at point (2,0), tangent line MUST pass through point (2,0).
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Positive: 27 %

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Positive: 25 %
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