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10 questions from this quiz
limh→0f(x+h)−f(x)h\lim_{h \to 0} \frac{f(x + h) - f(x)}{h}limh→0hf(x+h)−f(x)
Gradient of tangent to curve at point xxx
g′(x)=2g'(x) = 2g′(x)=2
f′(x)=12x2f'(x) = 12x^2f′(x)=12x2
2x2\frac{2}{x^2}x22
g′(x)=0g'(x) = 0g′(x)=0
yx\frac{y}{x}xy
A single symbol for the derivative
Write the formula f′(x)=limh→0f'(x) = \lim_{h \to 0}f′(x)=limh→0
Factor out hhh from the numerator
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