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10 cards from this deck
Rate at which function is changing
Rate at which the rate is changing
f(a)<f(b)f(a) < f(b)f(a)<f(b)
f(a)>f(b)f(a) > f(b)f(a)>f(b)
Above the curve
Below the curve
Increasing AND concave up
Decreasing AND concave up
Q2−Q1t2−t1\frac{Q_2 - Q_1}{t_2 - t_1}t2−t1Q2−Q1
Chord, tangent
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