Below is the graph of a trigonometric function. It intersects its midline at
(
−
3.5
,
−
0.8
)
(−3.5,−0.8)left parenthesis, minus, 3, point, 5, comma, minus, 0, point, 8, right parenthesis, and it has a maximum point at
(
4.1
,
0.7
)
(4.1,0.7)left parenthesis, 4, point, 1, comma, 0, point, 7, right parenthesis.

4
4
8
8
12
12
16
16
-
4
-
4
-
8
-
8
-
12
-
12
-
16
-
16
0.5
0.5
1
1
1.5
1.5
2
2
2.5
2.5
3
3
3.5
3.5
-
1
-
1
-
1.5
-
1.5
-
2
-
2
-
2.5
-
2.5
-
3
-
3
-
3.5
-
3.5
y
y
x
x
(
4.1
,
0.7
)
(4.1,0.7)
(
−
3.5
,
−
0.8
)
(−3.5,−0.8)
What is the amplitude of the function?