Problem

What is the amplitude of y, equals, 2, cosine, left parenthesis, 7, x, plus, 5, right parenthesis, plus, 1?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • 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
units
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