What is the value of x?
2 answers:
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The function p(t) for the number of visitors over 1-year is an exponential function
- The increasing interval is: [33,52]
- The decreasing interval is: [0, 33]
- There is no critical point
The function is given as:
p(t) = 119 + (t-83)e^0.02t
Start by plotting the graph of the function p(t).
From the graph (see attachment), we have the parameters to be:
- Increasing: [33,52]
- Decreasing: [0, 33]
- Critical point = None
Hence, the function has no critical point
Read mroe about critical points at:
Answer:
(8, 11)
Step-by-step explanation:
The 2-point form of the equation of a line is useful for the one where only points are given.
y = (y2 -y1)/(x2 -x1)(x -x1) +y1
y = (3 -1)/(4 -3)(x -3) +1
y = 2(x -3) +1
We can equate this to the expression for y in the given equation.
x +3 = 2(x -3) +1
x +3 = 2x -5 . . . . . . eliminate parentheses
8 = x . . . . . . . . . . . . add 5-x
Using the given equation, we can find y:
y = x +3 = 8 +3
y = 11
The solution to the system is (x, y) = (8, 11).
