Answer:
2.60 gr
Step-by-step explanation:
We need to consider the function where Po is the initial substance k is the rate of decay and t is the time
We know that and at the 7 th year P(t) is 7
This means
We solve for k
Where the full question at?
Answer:
Step-by-step explanation:
a - 4
When a = 16
Then :- 16-4 = 12
Vertex: (4,-11)
Focus: (4, -43/4)
Axis of Symmetry: x=4
Directrix: y=-45/4
I hope this is what you're asking for, and if not then just tell me what answer choices you have and I'll see what I can do from there. Thanks
I'm pretty sure it's
y=17/3-26