Answer:


Step-by-step explanation:
Given



Required
Find a and b
In
,
and 
This gives:


Divide by 6

In
.
and 
This gives:


Substitute 2 for a


Collect Like Terms


Divide by 2

Answer:
D
Step-by-step explanation
Since we are reflecting across the x axis, all of the y coordinates will remain the same. You find the distance away from the x = 4, double it, and add that value to x. So,
X' is now (8,3)
Y' is now (6,0)
Z' is now (4,2) because its x was 0, and anything * 0 = 0 so it does not move.
Answer:
22
Step-by-step explanation:
22
2(8)+6=22
Since f(x) which is x =8
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