Answer:
x = 2.33333333
Step-by-step explanation:
7 = 3/9x
21 = 9x
21/9 = x
x = 1/21
Multiply both sides by 9x
7 x 9x = 3/9x x 9x
9x cancels out on the right side
63x = 3
Divide both sides by 63 to isolate x
63x/63 = 3/63
b
-2 , -2 , 0 , 1 , 2 , 4 , 7 , 8 , 9 , 12
Order each number from least to greatest. Note that if the number is numerically larger and attached is a negative sign (-), then it is towards the least. If it does not have a negative sign, it leans towards the most.
Your answer:
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its a
, we have
to be continuous at 
, we require that the limit as 
is equal to 4.