From the graph at x = 0, y = 0
Check1:
y = cosx
0 = cos(0)
0 = 1
therefore, this is not the function
Check2:
y = sinx
0 = sin(0)
0 = 0
therefore, this is the function
Conclusion:
the function in the graph is y = sinx
If she gains a card that would be a positive 1, if she sells one that would be negative 1, and if she keeps one than that would be 0.
There is not anything to use to answer with. i cannot provide any information to help since there is nothing to use
Answer:
f(4)=-2
Step-by-step explanation:
f(4)=-4+2=-2
She drunk about
9 and 3/4 of her water
hope this helps :3