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Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 1 - No. 30)

What can be used to estimate the rate of change at a point on a speed-time graph if the line is not straight?
Area under the curve
The y-axis
Drawing a tangent
The x-axis

स्पष्टीकरण

If the line is not straight, the rate of change can be estimated by drawing a tangent at the point.

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