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3 years ago

7

Given the function f(x) = –5|x + 1| + 3, for what values of x is f(x) = –12?

2 answers:

Alexus [3.1K]3 years ago

7 0

The answer to your question is negative 52. hope i helped.

jeka57 [31]3 years ago

4 0

I have a feeling I might be wrong, but this is what I came up with...

-12 = -5 | x + 1| + 3
+ 5 +5 + 5
-----------------------------
-7 = | x + 1| + 8
-8 -8
----------------------
-15 = | x + 1|

-15 = x + 1 15 = x + 1
-1 -1 -1 -1
----------------- OR --------------------
-16 = x 14 = x

Your two values are -16 and 14 if I'm correct.

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Answer:

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Step-by-step explanation:

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We know there are 5 red balls and 2 green balls. Let's analyze what can happen when two balls are drawn in sequence (no reposition).

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If we have drawn a red ball, there are only 4 of them out of 6 in the urn, so the probability to draw a second red ball is

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If we have drawn a green ball, there are still 5 red balls out of 6 in the urn, so the probability to draw a red ball now is

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The total probability of the second ball being red is

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