It is linear because the funtion does not work.
The right expression is -1-2/7-(-3) which then gives you -3/10
Answer:
A) 
B) 14 gallons of gasoline
Answer:
SAS
Step-by-step explanation:
SAS Postulate: "If two sets of corresponding sides on two triangles and there included angle are congruent, then the triangles are similar".
We see that line segments XY-ST and XZ-SR are congruent along with the included angles X and S. Therefore, we can justify that SAS fits the situation.
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<span>For this case we have the following function:
</span>

<span> To find the axis of symmetry, the first thing to do is to derive the function.
We have then:
</span>

<span> Equaling zero we have:
</span>

<span> We clear the value of x.
We have then:
</span>

<span>
Answer:
The axis of symmetry is given by:
x = -2</span>