I believe it is 45. I am 50% sure so if you get it wrong... don't blame me.
based on graph
domain left to right (-2π,2π)
range bottom to top [-2,2]
You said it. Mary is 16 years old.
289 estimated is 290
7 estimated it 10.
290 times 10 is 2,900
I believe it’s b I’m not quite sure it’s been a while
