Question

Let f(x)=x^2+3x. Find the slope of the tangent line at (4,f(4)).

Slope of tangent line =

Answer 1

Hint :

slope of tangent line at given point = \(\large f'(4)\)

Answer 2

find the derivative of f(x)
then plugin x = 4

Answer 3

ok thanks i got 11 as my answer

Answer 4

how did you know to find the derivative though?

Answer 5

@ganeshie8 ?