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Dvinal [7]
3 years ago
9

Consider the graph of g(x) = –2x2 + 8x – 10. Identify the y-intercept, the vertex, and the zeros of the function.

Mathematics
1 answer:
poizon [28]3 years ago
7 0

9514 1404 393

Answer:

  D) y-intercept: (0, -10); vertex: (2, -2); zeros: none

Step-by-step explanation:

The graph does not cross the x-axis, so there are <em>no real zeros</em>. It crosses the y-axis at (0, -10), so that is the y-intercept.

These observations match choice D.

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B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

Step-by-step explanation:

A. <em>One has 90​% confidence that the sample proportion is equal to the population proportion. </em>

Confidence interval gives an interval estimate, not an equality

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

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<em>C.</em><em> One has 90​% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. </em>

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<em>D</em><em>. 90​% of sample proportions will fall between the lower bound and the upper bound.</em>

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4 0
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Tom bought 3 packages of Skittles for $1.25 each. How much did he spend?
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7 0
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Read 2 more answers
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