Question

Let f be the function given by square root of x^4-16x^2
a) Find the domain of f.
b) Find f '(x)
c) Find the slope of the line normal to the graph of f at x = 5

Answer 1

all real numbers

Answer 2

4x^3 -32x

Answer 3

slope of normal = \(\frac{-1}{4*125 - 32*5}\) \[\]

Answer 4

\[\large \frac{-1}{4*125 - 32*5}\]

Answer 5

thank you