Question: SECTION C: ESSAY/LONG QUESTIONS/CASE STUDY / PRACTICAL (50 MARKS) QUESTION THREE (25 MARKS) Note: Ensure you show your formulars and working. Also, note that you

SECTION C: ESSAY/LONG QUESTIONS/CASE STUDY /
SECTION C: ESSAY/LONG QUESTIONS/CASE STUDY / PRACTICAL (50 MARKS) QUESTION THREE (25 MARKS) Note: Ensure you show your formulars and working. Also, note that you can represent the following symbols as follows: ^ for the exponent symbol, x^2 instead of x2 ; 2"as 2^2; division as / or : ; $ individually as + or - ; vb as square root of b. Any other symbol that you find difficult can be typed out in words 3.1 Given that a line AB passes through points A (-3, 1) and B (-1, 5): a. Find the gradient of the line AB. (5) b. Find the equation of the line AB. (5) C. Determine the midpoint of AB. (5) 3.2 Evaluate the following limits x3-10x+21 a. lim x2+x-12 (5) X43 b. lim 2x3-3x-9 "-1 x3-4x+2

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