What is the rate of change shown in the graph

Mathematics

1 answer:

ahrayia [7]3 years ago

7 0

Answer:

-4/3 (Answer A)

Step-by-step explanation:

Here we go from the point (-3, 3) on the left to the point (0, -1) on the right. It is immediately apparent that x (the run) increases by 3 from -3 to 0 and that y (the rise) decreases by 4 from 3 to -1. Thus, the slope of this line (which is also the rate of change) is

m = rise / run = -4/3 (Answer A)

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2 years ago

a countrys population in 1992 was 72 million in 1998 it was 76 million estimate the population in 2012 using the exponential gro

crimeas [40]

Hi there
First find the rate of growth between
1992 and 1998
The formula is
P=Ae^rt
P the population in 1998. (76 million)
A the population in 1992 (72 million)
E constant
R rate of growth?
T time 1,998−1,992=6 years
We need to solve for r
R=[log (p/A)÷log (e)]÷t
R=(log(76÷72)÷log(e))÷6
R=0.009

Now find the population in 2012
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P ?
A 72 million
R 0.009
T 2,012−1,992=20 years
So
P=72×e^(0.009×20)
P=86.2 round your answer to get
P=86 million

Good luck!

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2 years ago

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Alborosie

Answer:

I think your right my dude