3. a) Let f(x) = 2x3 – 4.. Use only the definition of derivative to compute...
(a) Let f(x) = 3x – 2. Show that f'(x) = 3 using the definition of the derivative as a limit (Definition 21.1.2). 1 (b) Let g(x) = ? . Show that y that -1 g'(x) = (x - 2)2 using the definition of the derivative as a limit (Definition 21.1.2).
3. Let f(x) = (a) (15pts) Use the definition of the derivative to find f'(5). (b) (5pts) Write the equation of the tangent line at (5,3).
3. (5 pts each) Let f(x) = V.. a) Use the limit definition of derivative to find f'(x). b) Use linear approximation to estimate 19.03.
Explain in your own words (1). The definition of the derivative of a function f(x) at a point (x1, y1) on its graph. [ It is indicate by f(x)]. (2). Does it exist all the time. (3). How is it related to the slope of the tangent line (4). Give a practical example where the definition is used Note: Two page written project, neatly typed, spellchecked, stapled, and handed in. Deadline: April 26/2019 by 11:59 AM Explain in your own...
Let f(x) = 3x3 - 24 - 1 Use the limit definition of the derivative to calculate the derivative of f: f'(x) = Use the same formula from above to calculate the derivative of this new function (i.e. the second derivative of f): f''(x) =
Let f(x) = (4x + 1)2 . Using the limit definition of a derivative f'(a) = limh→0 f(a + h) − f(a) /h find f'(0)
#23. Use the limit definition of the derivative to show why f(x) = (x - 5) is NOT differentiable at x = 5. (Hint: Compare the left- and right-hand limits of lim nits of lim f(5+h)-f(5) 102.) Is f(x) = (x - 5)% continuous at x = 5? What does the tangent line at the point (5,0) look like? 0
14. x Find the derivative of the function using the definition f(x) = x + 3 15. The equation of motion of a particle is s = p - 27t, where s is in meters and t is in seconds. (Assume 10.) (a) Find the velocity and acceleration as functions of t. (b) Find the acceleration after 4 s. (c) (c) Find the acceleration when the velocity is 0. 16. Find the points on the curve y = 2x3 +...
Use the limit definition of partial derivatives to compute the partial derivative of the function f(x,y) = 6 - 6x + 5y - 3x2y at a point (3,4). a. Find f,(3,4). b. Find f(3,4). 1,(3,4)=0 (Simplify your answer.) 12(3,4)=0 (Simplify your answer.)
I need help 7. Use the limit definition of the derivative to compute f'(x) for f(x) X+2 4x