Answered

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find a formula for this function
pls help im so stuck

Find A Formula For This Function Pls Help Im So Stuck class=

Sagot :

Answer:

Step-by-step explanation:

Start with cos (x)

   it goes from .4 to 9.8 for a 'height' of 9.4

        then amplitude = 1/2 height = 4.7

so far:   4.7 cos x

then it is shifted to the RIGHT by 0.4 :

 4.7 cos ( x - 0.4)

the period is usually 2 pi ....this one is stretched from

 0.4 to 9.9   or   9.5 units

4.7 cos{ 2 pi / 9.5  (x - 0.4) }

FINALLY it is shifted UP to a midline of  5.1

4.7 cos (2pi/9.5 (x- 0.4)) + 5.1

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