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10 questions from this quiz
The overall rate of change
Secant line
y2−y1x2−x1\frac{y_2 - y_1}{x_2 - x_1}x2−x1y2−y1
Difference quotient
It approaches the tangent line
−4-4−4
2a+h2a + h2a+h
The function is decreasing
The instantaneous gradient
2a2a2a
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