A curve has equation y = f(x).(a) Write an expression for the slope of the...
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Calculus
A curve has equation y = f(x).(a) Write an expression for the slope of the secant line through the points P(7, f(7)) and Q(x, f(x)).f(x) - xf(7)-7OO X-7f(x)-f(7)Of(x)-f(7)x-7Of(7) -7f(x)X(b) Write an expression for the slope of the tangent line at P.f(x)-f(7)X-7O limx-0X-7x-7 f(x)-f(7)OlimOlimf(x) = f(7)x-7f(x) - xx-0 (7)-7Olim
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