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Problem

Below is the graph of a trigonometric function. It intersects its midline at left parenthesis, 8, point, 7, comma, 7, point, 2, right parenthesis, and it has a minimum point at left parenthesis, 6, point, 2, comma, 3, point, 8, right parenthesis.
What is the amplitude of the function?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
units