AP Calc.

posted by .

find the equation of the tangent line to f(x)=square root x passing through (-4,0)

  • AP Calc. -

    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

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. AP Calc-easy ?

    Given: f(x)= x^3 + x^2 - 2x over the closed interval [0,2] Write the equation of the tangent line to f(x) passing through point A(-1,-2). *At first glance I knew how to do it, but f(-1) does not equal -2...so do I add a constant onto …
  2. HS Calculus

    Definition of the derivative to calculate f'(x) if f(x) = square root 2x. Find the equation of the tangent & normal line to the graph of f at x=2. Tangent line - y=2x-x Normal line - y = 1/2x +3 I do not know whether these are the …
  3. math

    i have more than one question so if u no any of the answers please tell me 1.) write the point-slope form of the equation of the line with slope -2 passing through the point ( -5, -9). 2.) write the point-slope form of an equation …
  4. Math

    I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question?
  5. gggg

    what are the equation of a line through (8,-3) and passing distance square root of 10 from (3,2)
  6. calculus

    Find an equation of the line that is tangent to the graph f and parallel to the given line Function: f(x)= 1/ square root of x Line: x+2y-6=0
  7. AP Calc

    Find the equation of the tangent line at the indicated point. y=5th root of (3x^3+4x) at (2,2)
  8. Calculus

    Find the equation of the line tangent to the function f(x)= square root of (x^3 + 4x) through the point (2,4)
  9. precal : conics

    Find the equation of the ellipse having the center at the origin and the major axes on OX. a) passing through (2 sq root of 2, -2), distance between foci is (4 sq root of 2) b)passing through ( -2,4), vertex at (4, 0)
  10. Algebra

    can somebody please help me with this question I've spent more than 3 hours on this, still nothing Let L1 be the line passing through the point P1=(2, −4, −6) with direction vector →d1=[1, 0, 2]T, and let L2 be the line passing …

More Similar Questions