Answer:
2520 decrease per year
Step-by-step explanation:
8.4% is also .084 so you multiply .084 by 30,000 and get 2520.
Answer:
I'm sorry I don't have a functioning brain anymore-
<em>but I think it's 21.</em>
<em />
When x=-1:

Ok that gives us a little more information.
If we implicitly differentiate with respect to t, from the very start, then we can apply our product rule, ya?

The right side is zero, derivative of a constant is zero.
Where x' is dx/dt and y' is dy/dt.
From here, plug in all the stuff you know:
y' = -3
x = -1
y = 4
and solve for x'.
Hope that helps!
Step-by-step explanation:
The magnitude of x is equal or less than 7.
=> We have |x| <= 7.
Answer:
PEMDAS
Step-by-step explanation:
parenthesis
Exponents
Multiply
Divide
Add
Subtract