AnswersTN-Algebra II B SC 26-27 For CreditEvaluating the Six Trigonometric Functions

Graphing Sine and Cosine Answers

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21
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The maximum value is 0.250.5✔ 0.751.

A
0.25
B
0.5
C
✔ 0.75
D
1
22
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The amplitude of the function shown in blue is .

A
–6
B
–4
C
–3
D
3
E
4
F
6
23

The function rule y = cos(x) + 2 describes graph shown here.

Question illustration
A
a
B
b
C
c
D
d
24

The minimum value is –1 for .

A
the sine function
B
the cosine function
C
both the sine and cosine function
25

The amplitude is 0.250.5✔ 0.751.

A
0.25
B
0.5
C
✔ 0.75
D
1
26

The amplitude of the function shown in green is .

A
–6
B
–4
C
–3
D
3
E
4
F
6
27

An x-intercept is for .

Question illustration
A
the sine function
B
the cosine function
C
both the sine and cosine function
28

An equation for this function is ✔ y = 0.75cos(x)y = –0.75cos(x)y = cos(0.75x)y = cos(–0.75x).

A
✔ y = 0.75cos(x)
B
y = –0.75cos(x)
C
y = cos(0.75x)
D
y = cos(–0.75x)

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