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10 questions from this quiz
m=y2−y1x2−x1m = \frac{y_2 - y_1}{x_2 - x_1}m=x2−x1y2−y1
The steepness changes at different points
A line touching the curve at exactly one point
As the gradient of the tangent at that point
Zero
A line through two points on the curve
f(c+h)−f(c)h\frac{f(c + h) - f(c)}{h}hf(c+h)−f(c)
It approaches the tangent gradient
f′(x)f'(x)f′(x)
14
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