Question

Use continuity to evaluate the limit. (Round your answer to three decimal places.)

lim
x→3
arctan x^2 − 9 / 3x^2 − 9x

Answer 1

hint:
x^2-9=(x+3)(x-3)
and
3x^2 − 9x=3x(x-3)

later use definition

Answer 2

9x on the bottom

Answer 3

right

Answer 4

i mean 3x, not 9x