Speed from distance-time curve

GCSE · Mathematics · AQA · R15 — Interpret gradient at a point on a curve as instantaneous rate of change

Question

(H2) A distance-time curve has a tangent at t = 4 s passing through (3, 6) and (5, 14) where d is in metres. Find the instantaneous speed at t = 4 s.

[Higher tier]

2 marks · take your time before peeking.

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