calculus
posted by ellen .
find all points at which the tangent line to the graph of y=x3 is parallel to the line y=27x+5

slope of the graph is 3x^2 for all x.
slope of the line is 27
so, for which x is 3x^2 = 27?
Respond to this Question
Similar Questions

Calculus
55. Find an equation of the tangent line to the graph of f(x) =x^3  2x + 1 a) at (2,5); b) at (1,2); c) at (0,1). I believe the answers are: a) y= (3/2 x)  (3/2) b) No solution c) No solution For each function, find the points on … 
Calculus
Find the points on the graph of y = (x+1)/ (x+2) where the tangent line is parallel to the line x  y = 2. 
Calculus
Find the xcoordinates of all points on the graph of y = x^3  4x^2 + 5x at which the tangent line is parallel to 2y  10x  7 = 0 
Calculus
Find all points on the graph of f(x)=xe^x at which the tangent line is parallel to the line y3x=4. i figured out that f'(x)=3 but i don't know what to do with that. 
Calculus
Find all points on the graph of f(x)=xe^x at which the tangent line is parallel to the line y3x=4. i figured out that f'(x)=3 but i don't know what to do with that. 
calculous
3.Given the function f defined by f(x)=2x^33x^212x+20 a.Find the zeros of f b.Write an equation of the line perpendicular to the graph of f at x = 0 c. Find the x and y coordinates of all points on the graph of f where the line tangent … 
Calculus
Given the function y=(x^25/x+3), answer the following questions. a) Find dy/dx. Simplify your answer b) Find the coordinates of any points on the graph of y where the tangent line is horizontal. Show your work. c) Are there any points … 
Calculus
Graph the function f(x)=x+4/x Graph the secant line that passes through the points (1,5) and (8,8.5) on the same set of axes Find the number c that satisfies the conclusion of the Mean Value Theorem for f on [1,8] c= Notice that if … 
Calculus
The function g is defined for x>0 with g(1)=2, g'(x)=sin(x+1/x), and g"(x)=(11/x^2)cos(x+1/x). A. Find all values of x in the interval 0.12<=x<=1 at which the graph of g has a horizontal tangent line. B. On what subintervals … 
Calculus AB
Could someone please help me with these tangent line problems?