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calculus

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what is the slope of the tangent line passing through the point (2,3) of the graph of this function? f(x)=x^2+2x-5

A 1
B 2
C 3
D 4
E 6

  • calculus - ,

    the slope at any point (x,y) is

    f'(x) = 2x+2
    so, at (2,3) the slope is 6

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