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derivative
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d/dx (1+1/x) at x=1
d/dx (1+1/x)
d(f(x)+g(x))/dx
d( f(x)*g(x) )/dx
d( f(x)/g(x) )/dx
d( g(f(x))) / dx
numerical differentiation
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relative error
difference quotient
rate of change
power rule
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differentiable
fluxion
absolute value
critical point
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inflection point
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curvature
sum rule
tangent line
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y = piecewise[ { {x^2, 1 >= x >= 0}, {x, 0>x>-1/2}, {x^2-3/4, -1/2 >= x} } ]
speed
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acceleration
law of inertia
mathworld subject differential calculus
differential equation
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direction field
slope fields
isocline
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