Posted by asaereay on Friday, November 2, 2012 at 8:15am.
y = √x = x^(1/2)
dy/dx = (1/2)x^(-1/2) = 1/(2√x)
so at (-4,0), dy/dx = 1/2√-4 ----> undefined in the real numbers
uh uh!!
look at y = √x, the point (-4,0) does not lie on your curve, so ...... bogus question
check your typing
Related Questions
AP Calc-easy ? - Given: f(x)= x^3 + x^2 - 2x over the closed interval [0,2] ...
gggg - what are the equation of a line through (8,-3) and passing distance ...
Math - I have a series of questions that I did. They lead up to the last ...
calc - Find an equation of the tangent line to the curve at the given point. y...
calculus - Find an equation of the line that is tangent to the graph f and ...
College Calculus - Let f(x) = 3x^2 - 2x + 1 a) write an equation of the line ...
Analytic Geometry - Find the equation of a circle passing through (3,7) and ...
Analytic Geometry - Find the equation of a circle passing through and tangent to...
HS Calculus - Definition of the derivative to calculate f'(x) if f(x) = ...
calculus - Consider line segments which are tangent to a point on the right half...
For Further Reading
