Answer:

Step-by-step explanation:
Let the equation be : 
The point (1,1) must satisfy this equation.

Similarly, the point (1,3) must satisfy:

Also for the point (9,2), we have:

Solving the equations (1), (2) and (3) simultaneously, we get:

We Substitute this values to get:


Multiply through by 8 to get:

The correct equation is P(t) = Po*e^(kt). Please enclose "kt" inside parentheses and use the " ^ " symbol to indicate exponentiation.
"k" is the growth constant, which here is 0.017. "t" is the number of yeasrs. P(7) is the population after 7 years. Po is the initial population, which in this case is 91 million.
The initial value, when t = 0, is 91 million.
After 7 years, the population, P(7), was P(7) = (91 million)*e^(0.017*7). This evaluates to P(7) = (91 million)*(1.070) = 96 million
Answer:
69
Step-by-step explanation:
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Answer:
y=√(7A-2x)
Step-by-step explanation:
A=2x+y²/7
Multiplying both sides by 7
7A=2x+y²
7A-2x=y²
Taking square root on both sides
y=√(7A-2x)
I hope this helps you
5x-9=2.(2x+3)
5x-9=4x+6
x=6+9 x=15