Answer:
a surface of a cone looks like an hyperbolic cylinder
First you would multiply your hours, 9, by how fast the temperature is dropping, -2 ( because it is dropping, your number would be a negative). 9 x -2 = -18.
Next add 17 + -18 to get -1. -1°C is your answer.
The zero product property
I dont remember the saying for it or term but its y^2-4y-12 which changes to (y-6)(y+2)
1: C
2: B
I think, sorry if it is incorrect. :(
