1. Evaluate the following limits. Justify your answers. You may not use L'Hospital's rule. 2x + 1 a) lim b) lim va+2- c 3-2 (32 + 1) (2+23 ) c) lim 1-+2 E - 2 2. The graph of the function y = g(r) is shown below: Find the following quantities: a) g(-1) b) lim g(x) c) lim g(a) I-+-1+ d) lim g(x) 1 + -1 e) g(1) f) lim g(x) g) The point (s) where g is discontinuous. 3. Evaluate the following limits. Justify your answers. a) b) lim 2r + 1 I - 1 1-+00 23 -3x + 2 c) 2x3 + x2 + 1 1-+00 -24 +2x2 - r + 2 4. Find the equation of the line tangent to the graph of y = 2 + 1 at the point (1, 2)