[3 marks] d. Find the value of . [1 mark] Question 4 A part of the track for Pythag's model train follows the curve passing through and shown above. A, B, C, D, E F Pythag has designed it by putting axes on the drawing as shown. The track is made up of two curves, one to the left of the and the other to the right. y-axis is the point (0, 7). B The curve from to is part of the graph of (x) = + + + where and are constants and = B F f px3 qx2 rx s p, q, r s f '(0) 4.25
[3 marks] d. Find the value of . [1 mark] Question 4 A part of the track for Pythag's model train follows the curve passing through A, B, C, D, E and F shown above. Pythag has designed it by putting axes on the drawing as shown. The track is made up of two curves, one to the left of the y-axis and the other to the right. B is the point (0, 7). The curve from B to F is part of the graph of f (x) = px3 + qx2 + rx + s where p, q, r and s are constants and f '(0) = 4.25
MM-4.1-2018-ASSIGNMENT-Part-A.docx