The number of people who own computer in a small town is 2400, which is 60% more than the number who owned computer last year. F
1 answer:
Answer:
The number of people who owned computers last year was 1500.
Step-by-step explanation:
The information provided is as follows:
- The number of people who own computer in a small town is 2400.
- This is 60% more than the number who owned computer last year.
Let <em>X</em> denote the number of people who owned computer last year.
And <em>Y</em> denote the number of people who owned computer this year.
Then:
Y = X × (100% + 60%)
Thus, the number of people who owned computers last year was 1500.
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Answer: graph E.
A geometric sequence can be written as:
where:
a₁ = first term = 4
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Substituting the numbers, we have:
or else
This is an exponential function with base less than 1. Therefore, we can exclude graph C (which depicts a linear function), and graphs A and D (which depict an exponential function with base greater than 1).
In order to choose between graph B and E, let's evaluate the function in two different points:
Therefore, we need to look for the graph passing through the points (1, 4) and (2, 2). That is graph E.