The graph of a sinusoidal function intersects its midline at (
0
,
−
3
)
(0,−3)left parenthesis, 0, comma, minus, 3, right parenthesis and then has a maximum point at
(
2
,
−
1.5
)
(2,−1.5)left parenthesis, 2, comma, minus, 1, point, 5, right parenthesis.
Write the formula of the function, where
x
xx is entered in radians.
f
(
x
)
=