Ask a New Question

If x + 7y = 29 is an equation of the line normal to the graph of f at the point (1,4), then f'(1) =

PLEASEEE HELP!

1 answer

the slope of If x + 7y = 29 is -1/7
but this line is a normal, and therefore perpendicular to the tangent at (1.4)
so f'(1) or the slope of the tangent must be +7

Ask a New Question or answer this question.

Similar Questions

Definition of the derivative to calculate f'(x) if f(x) = square root 2x. Find the equation of the tangent & normal line to the
1. 4 answers
Find the equation of the tangent line and the normal line to the graph of the equation at the indicated point.x^2-y^2=16, (5,3)
1. 2 answers
If f(2)=3 and f'(2)=5, find an equation ofa. The tangent line b. The normal line to the graph of y=f(x) at the point where x=2
1. 3 answers
I really need assistance!! I am to write an equation so that I can graph it. I do not understand how to graph OR write the
1. 1 answer

more similar questions