What is the value of Y ??
2 answers:
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Answer:
The estimate for the proportion of Americans over 33 who smoke is 0.28.
Step-by-step explanation:
Proportion of Americans over 33 who smoke.
Number who smoke divided by the size of the sample.
In this question:
Sample of 1267.
913 don't smoke, so 1267 - 913 = 354 smoke. Then
The estimate for the proportion of Americans over 33 who smoke is 0.28.
Step-by-step explanation:
<u>Given function:</u>
- y = |x + 4| - 1
<em>See the graph below</em>
According to the graph we see that
The minimum is (-4, -1) and zero's are (-5, 0) and (-3, 0)
<u>Function is positive: </u>
- When x < - 5 and x > -3
<u>Negative:</u>
- When x is between -5 and -3
<u>Increasing:</u>
- When x > -4
<u>Decreasing:</u>
- When x < -4
