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WAEC Mathematics 2002 Question 8

Question 8

Graphs of Functions

The diagram is the graph of y = 6 + x − x2. The graph intercepts the x-axis at P and R and the y-axis at Q. What is the value of y at Q?

Diagram for this question
  1. A.6 1/3
  2. B.6
  3. C.3
  4. D.0
Show the answer and explanation

Answer: B (6)

Explanation

At the y-axis x = 0, so y = 6 + 0 − 0 = 6.