Evaluate the numerical expression 2.5(−4.4 − 3.5)
1 answer:
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a) The linear function is:
b) The estimate for the number of people employed in 2012 is of 569.2.
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A linear function has the following format:
In which
- m is the slope, that is, how much y changes when x changes by 1.
- b is the y-intercept, which is the value of y when x = 0.
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Item a:
- During the first year of observation, the number of people, in thousands of dollars, was of 373. Thus, the y-intercept is
- In 10 years, it changed from 373 to 591, thus, the slope is:
The function is:
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Item b:
2012 is 9 years after 2003, thus, this is
The estimate for the number of people employed in 2012 is of 569.2.
A similar problem is given at brainly.com/question/24742848