Find the average rate of change for f(x) = x2 + 9x + 18 from x = -8 to x = -2.
1 answer:
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Answer: y= 3x -
Step-by-step explanation:
Since we know the slope and a set of coordinates we can insert them into the formula y=mx+b and find what b is.
y=mx+b
-1/2=3(2)+b
-1/2=6+b
-1/2-6=6-6+b
-6 1/2=b
Therefore the equation is y=3x -
Answer:
She need to walk 31/75 miles to school.
Step-by-step explanation:
It is given that,
Sofia has walk miles to school. She has already walk
of a mile.
We need to find how much farther does she need to walk.
Total distance =
Let she has to walk x distance to school.
Hence, she need to walk 31/75 miles to school.