Use triangles ABC and A'B'C' for Exercise. Use the coordinates to find the lengths of the sides.
1 answer:
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Answer:
- 6
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [ 2, 6 ] , then
f(b) = f(6) = - 6² + 2(6) + 2 = - 36 + 12 + 2 = - 22
f(a) = f(2) = - 2² + 2(2) + 2 = - 4 + 4 + 2 = 2 , then
average rate of change = =
= - 6
Answer:
C. S.A. = 340.8
Step-by-step explanation:
Area of rectangles = 6x 12 = 72
all three have the same area - 72 x 3 = 216
Area of triangle = 10.4 x 12 ÷ 2
Since there are 2 trignles - 10.4 x 12 = 124.8
Add all sides up
S.A. = 216 + 124.8
S.A. = 340.8