{(6,4),(7,−3),(−4,3),(8,−3)}, which point if added would not create a function?
1 answer:
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The expression is given by:
So we need to find an equivalent equation for this problem. Then, we will apply some mathematical rules:
Extracting the common factor 1/4, then:
Or extracting the common factor -1/4, then:
So, comparing these solutions with the answers about, there is no any answer that matches.
So we need to find an equivalent equation for this problem. Then, we will apply some mathematical rules:
Extracting the common factor 1/4, then:
Or extracting the common factor -1/4, then:
So, comparing these solutions with the answers about, there is no any answer that matches.
The derivative is given by the limit
You have
Use the angle sum identity for tangent. I don't remember it off the top of my head, but I do remember the ones for (co)sine.
By this identity, you have
So in the limit you get
The first two limits are both 1, and the single term in the last limit approaches 0 as
which agrees with the result you get from applying the chain rule.