0.90 and I think .9 is another I'm not sure but I tried
Answer:
x>14
hope this helped
Answer:
See below
Step-by-step explanation:

Recall

Using the chain rule

such that 
we can get a general formulation for

Considering the power rule

we have

therefore,

Now, once

we have

Hence, we showed

================================================
For the integration,

considering the previous part, we will use the identity

thus

and

Considering 
and then 
we have

Therefore,


Answer:
147 people
Step-by-step explanation:
0.42*350=147