D douchey New member Joined Feb 1, 2006 Messages 6 Feb 1, 2006 #1 Find the equation of the tangent line to the curve when x has the given value. f(x) = -7- x^2; x = -6 a. y = -6x + 29 b. y = -12x - 29 c. y = -2x d. y = 12x + 29 How would one do this problem? Just by looking at it I think the answer is D.
Find the equation of the tangent line to the curve when x has the given value. f(x) = -7- x^2; x = -6 a. y = -6x + 29 b. y = -12x - 29 c. y = -2x d. y = 12x + 29 How would one do this problem? Just by looking at it I think the answer is D.
pka Elite Member Joined Jan 29, 2005 Messages 11,978 Feb 1, 2006 #2 The derivative gives the slope of the tangent.
pka Elite Member Joined Jan 29, 2005 Messages 11,978 Feb 1, 2006 #4 D is correct! But you asked how to do it?