8) Find the value of x when 5x + 6 - 2x = 9. A) 1 B) 5 C) 3 7 D) 5 7
2 answers:
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Answer: 2
<u>Step-by-step explanation:</u>
You only need to evaluate at the limit point.
f(x) = 4 - x ; x ≠ 2
Consider the solution if x = 2 (because the limit is x → 2)
f(2) = 4 - (2)
= 2
We know that f(x) = 0 ; x = 2
f(2) = 0
but we are looking for the y- value it approaches - not the y-value it is.
Look at the graph. You will see that as x gets closer and closer to 2, the y-value gets closer and closer to 2. This is the limit.
