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2 answers:
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First, you have to establish the fact that there is a correlation because the points are obviously grouped together
The, you have to know that which direction a positive and negative gradient face ( a positive gradient looks like a tick when you join a line to it)
Look at the attachment and the answer is a negative correlation ;)
The, you have to know that which direction a positive and negative gradient face ( a positive gradient looks like a tick when you join a line to it)
Look at the attachment and the answer is a negative correlation ;)
Answer:
x = -4, 1
Step-by-step explanation:
Since we have a absolute value function here, we can tell there is goning to be multiple values.
First we will find x with the original function since we know |5| = 5.
Given f(x) = 5 = -2x-3,
Now we also know that |-5| = 5 as well (absolute value)
Given |-2x-3| = |-5|,
You can verifiy these 2 values by substituting them into the equation.
f(-4) = |-2(-4)-3|
= |8-3|
= |5|
= 5
f(1) = |-2(1)-3|
= |-2-3|
= |-5|
= 5