Graphing Sine and Cosine Answers
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22
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b = ,
Answer:
7
23
Check all that you included in your answer.
A
The pattern is min-zero-max-zero-min, which is the pattern for a cosine function of the form y = acos(x) + k, but is reflected over the x-axis (so a < 0).B
The amplitude is |a|, so a = –1 and |a| = 1.C
The midline is exactly between the max and the min, y = (6 + 8)/2 = 7, so k = 7.D
The equation is y = –cos(x) + 7.24
Which did you include in your explanation? The gum returns to the wall each time the graph shows a minimum value of 6 (the height of the wall).Count the number of minimums that occur between x = 0 ft and x = 60 (but omit the first time when x = 0).The gum returns to the wall 9 times while traveling a distance of 60 feet.
A
The gum returns to the wall each time the graph shows a minimum value of 6 (the height of the wall).B
Count the number of minimums that occur between x = 0 ft and x = 60 (but omit the first time when x = 0).C
The gum returns to the wall 9 times while traveling a distance of 60 feet.25
c =
A
1 / 2B
1C
3 / 2D
226
The amplitude is . The vertical shift is . An equation for this graph is y = .
Answers:
Part 1:1
Part 2:0
28
c = ,
Answer:
8
29
An equation for this graph is y = .
A
sin xB
–sin xC
sin x – 1D
sin x + 130
The vertical shift is .
Answer not available
31
d = ,
Answer:
7
32
e =
Answer not available
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