Instructions: Write all your final answers and solutions on sheets of white pad papers using black pen. Each question is a multiple-choice question with four answer choices. Read each question-and-answer choice carefully and choose the One best answer. 1. If f(x) = x2 + 4x - 5 and g(x) = x -1, then lim-equals a. -6 *-19(x) b. 6 C. -1/6 d. 1/6 2. If f(x) = = and g(x) = ,then lim If (x) -g(x)] equals a. -1 b. 1 C. -00 d. co 3. Determine the slope of the curve x2 + y? - 6x -4y - 21 =0 at the point (0,7). a. 3/5 b. -3/5 c. 2/5 d. -2/5 4. Find " if y = cose* a. e* sing* b. -e* sine* C. -sing* d. sing* 5. Find in v=- sin x 1 + cos x cos' x + sin x + cosx a. b. cos' x + sin x (1 + cos x) (1 + cosx) C. (1 + cos x) d. 1 + cos x 6. Find the derivative of y = arccos 4x with respect to x. 4 a. 1-4x b. (1-4x2 - 4 C. d -4 (4x) 2 - 1 1 -(4x) 7. Find - [In(x3 + 1)] 2 1 b. 2x x+1 C.- x3 +1 d. 1