calculus

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The linear approximation at x=0 to f(x)= sqrt (7+6x) is y=

  • calculus -

    for f(x)=sqrt(7+6x)
    Calculate the slope at x0=0, i.e.
    m=f'(x0)=f'(0)
    and the value of y0=f(x0) to give the tangent point (x0, f(x0))=(0,f(0))

    The linear approximation at x=0 is given by
    y = m(x-x0)+y0
    If you have difficulties finding the derivative of f(x), post for more information.

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