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Below is the graph of a trigonometric function. It has a minimum point at (-5.4, 1.25) and a maximumpoint at (7.4, 6.75). What is the amplitude

Sagot :

To determine the amplitude we need to see where is the middle line of the function, the middle line passes through the middle value of the y components of the maximum and minimum. Then the middle line passes through;

[tex]\frac{1.25+6.75}{2}=4[/tex]

Now, the amplitude is the vertical distance between the maximum and the middle value, then in this case we have:

[tex]6.75-4=2.75[/tex]

Therefore the amplitude is 2.75