The vakues based on the function f(x) = -x² + x + 6 will be:
12
0
12
<h3>How to calculate the value?</h3>
When x = -2, the value will be:
f(x) = -x² + x + 6
= -2² + 2 + 6
= 4 + 2 + 6
= 12
When x = 0
f(x) = -x² + x + 6
= 0² + 0 + 6
= 0
When x = 2
f(x) = -x² + x + 6
= 2² + 2 + 6
= 12
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An odd function is such that -f(x)=f(-x). D is the only option that satisfies this. f(2)=-32 and f(-2)=-f(2)=32.
Answer:
(0-2i)(6-7i)
Step-by-step explanation:
The answer to this is pretty straightforward, as if you add a 0 to -2i, it will not change the expression.
Answer:
And we can find this probability using excel or the normal standard tabe and we got:
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution to the problem
Let X the random variable that represent the temperatures of a population, and for this case we know the distribution for X is given by:
Where
and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability using excel or the normal standard tabe and we got: