Question

If possible, choose k so that the following function is continuous on any interval:

f(x)= (5x^4-20x^3)/(x-4) , x≠4
f(x)= K , x=4

k=?

Answer 1

k = 320

Answer 2

can u tell me how?

Answer 3

(5x^4-20x^3) = 5 * x^3 * (x-4)
simplify with (x-4) and replace x with 4 ;)

Answer 4

thnks

Answer 5

no prob :)