Solve the problem

Question

Answer 1

1/(x+4) - 1/2 = (2-x-4)/2(x+4) = -(x+2)/2(x+4)

divide that by (x+2) gives -1/(2x+4)

limit as x goes to -2 is -1/2(-2+4) = -1/4

the limit is minus one-fourth