The slope of the tangent line to the graph y=f(x) through the point x=x_0 is given by this limit.
lim_{h -> 0} (f(x_0+h)-f(x_0))/h
d/dx 5
0
If f(3)=-2 and f'(3)=4 , then the tangent line to y=f(x) at x=2 is given by this equation in slope intercept form.
y=4x-12
d/dx [(x^3-8)/x]
2x+8/x^2
If tangent line to the graph y=f(x) at x=-2 is given by y=5 , then f'(-2) is this value.
0
d^73/dx^73 sin(x)
cos(x)
d/dx 1/(x^3-5x)
(5-3x^2)/(x^3-5x)^2
d/dx (x^5+7)(x^5-7)
10x^9
The tangent line through of a curve a point is the best ___________ to the curve at that point.
linear approximation
d/dx [6sin^2(x)+5cos^2(x)]
2 sin(x)cos(x)
d/dx (sin(x^2))^3
6 (sin(x^2))^2 cos(x^2)
f(x)= (x²-1)/(x²+1), what is f′(x)?
f′(x)= 4x/(x²+1)²
A function is not differentiable at x=1 , but there is a tangent line through x=1. The tangent line has this property.
It is vertical (undefined slope).
d/dx [cot(x)]
-csc^2(x)