Rob cut a 15-foot wire into 8 equal pieces. about how long is each piece
1 answer:
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Polynomials are algebraic expressions represented by variables and coefficients.
<h3>(a) How to determine the interval the open seats increased</h3>This is the interval, where the open seats increase the same time the time in minutes increases.
From the graph, the open seats increases at the interval (100, 600)
<h3>(b) The time the first meeting ended</h3>This is the first point where the curve changes its direction from decreasing values to increasing values
From the graph, the curve changes its direction at point (25,100)
Hence, the first meeting ended at 10:25 AM
<h3>(c) When there were 700 open seats</h3>From the graph, we have:
(x,y) = (5, 700)
Hence, there were 700 open seats at 10:05 AM
<h3>(d) The average rate of change from 10:00 AM to 10:25 AM</h3>At 10:00 AM, we have:
(x,y) = (0,800)
At 10:25 AM, we have:
(x,y) = (25,100)
So, the average rate of change is:
This gives
Hence, the average rate of change from 10:00 AM to 10:25 AM is -28 people per minute
Read more about polynomials at:
Answer:
y = (x^2 + 6) / 2
Step-by-step explanation:
Original function:
To find the inverse of a function we have to switch the x and y values and solve for y again
x = sqrt (2y-6)
To get rid of a square root we square the square root so:
x^2 = 2y-6
Add 6
x^2 + 6 = 2y
Divide by 2
y = (x^2 + 6) / 2