16. Using the numerical technique, approximate the limit below: lim x2-16 x - - 4 Test these four values and then state your conclusion: x = -4.1, -4.01, -3.9, -3.99 x + 4 17. Using the numerical technique, approximate the limit below: lim X x-0 Vx+1-1 Test these four values and then state your conclusion: x = -0.1, -0.01, 0.1, 0.0120. Using the numerical technique, approximate the limit below: x2+10x+16 lim X--8- Ix+81 Test these four values and then state your conclusion: x = -8.1, -8.01, -7.9, -7.9918. Using the numerical technique, approximate the limit below: lim 2 x-1 Test these four values and then state your conclusion: x = 1.1, 1.01, 0.9, 0.99 19. Using the numerical technique, approximate the limit below: lim X-+0 -1 ex+1 Test these four values and then state your conclusion: x = -0.1, -0.01, 0.1, 0.01