What is the distance from point E to point D?
2 answers:
Answer:
B
Step-by-step explanation:
Looking at the graph, you can see that points E and D are on the same line. The coordinate for point E is , and the coordinate for point D is
. Because they are on the same line, we only have to look at the y coordinates,
and
. We add these together (ignoring the negative sign in
, because distance can't be negative) to get
, or B.
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Answer:
-12
Step-by-step explanation:
Let b = -1 and a = -3
The average rate of change =
f(b) = f(-1) = 3(-1)^2 - 5 = 3 - 5 = -2
f(a) = f(-3) = 3(-3)^2 - 5 =27 - 5 = 22
f(b) - f(a) = -2 - 22 = -24
b - a = -1 + 3 = 2
= -24/2 = -12