anonymous97
  • anonymous97
Use the graph below to answer the question that follows: cosine graph with points at 0, 3 and pi, negative 5 and 2 pi, 3 What are the amplitude, period, and midline of the function? Amplitude: 4; period: 2π; midline: y = −1 Amplitude: 8; period: 2π; midline: y = 1 Amplitude: 8; period: π; midline: y = −1 Amplitude: 4; period: π; midline: y = 1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous97
  • anonymous97
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anonymous
  • anonymous
you have a graph, so all the questions get answered from your eyeballs, not from an equation or some kind of algebra
anonymous
  • anonymous
the period is the length over which the function makes one complete cycle. take a look and see where it is at its peak, and the next peak. the length of of that interval (on the x axis) is the period

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anonymous
  • anonymous
the amplitude is half the distance from the lowest most point on the graph to the upper most point
anonymous97
  • anonymous97
thank you so much
anonymous
  • anonymous
yw if you would like me to check your answer let me know
anonymous97
  • anonymous97
amplitude is 4 correct?
anonymous
  • anonymous
yes from -5 to 3 is 8 units, half of that is 4
anonymous97
  • anonymous97
so for period its the highest arc to the lowest arc
anonymous97
  • anonymous97
how do i find midline?
anonymous
  • anonymous
it is half way between -5 and 3
anonymous
  • anonymous
as the name suggests it is the horizontal line that is "midway" between the max and the min
anonymous
  • anonymous
and no, the period is not from the highest to lowest
anonymous97
  • anonymous97
okay so the answer is A?
anonymous97
  • anonymous97
cause the midline is -1
anonymous
  • anonymous
yes, a rare A
anonymous97
  • anonymous97
thank you i appreciate it
anonymous
  • anonymous
yw

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