4 WE7 Find the gradient of the chord PQ drawn to the curve f(x) = x...

   

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4 WE7 Find the gradient of the chord PQ drawn to the curve f(x) = x + 1 in the diagram below. f(x) = x+1 2 (2+h, f(2+h)) P (2, f(2)) 5 MC The gradient of the tangent at P in the diagram is: A h B 4+ h C 4h 6 a Find the gradient of the chord PQ to the function D 4+h E 4 f(x) = x(x+2) if the x-coordinates of P and Q are -1 and 1 + h respectively. b Hence, find the gradient of the function at P. 4 WE7 Find the gradient of the chord PQ drawn to the curve f(x) = x + 1 in the diagram below. f(x) = x+1 2 (2+h, f(2+h)) P (2, f(2)) 5 MC The gradient of the tangent at P in the diagram is: A h B 4+ h C 4h 6 a Find the gradient of the chord PQ to the function D 4+h E 4 f(x) = x(x+2) if the x-coordinates of P and Q are -1 and 1 + h respectively. b Hence, find the gradient of the function at P.