A group of 8 friends is going to see a movie. A bag of popcorn costs $ 2.99. How much will it cost to buy a bag of popcorn for e
1 answer:
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Answer:
Step-by-step explanation:
To find the area of a semicircle the formula is
The square
(rectangle)
(triangle)
Answer:
C
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
Here [ a, b ] = [ - 10, 10 ], thus
f(b) = f(10) = 10² + 9(10) + 18 = 100 + 90 + 18 = 208
f(a) = f(- 10) = (- 10)² + 9(- 10) + 18 = 100 - 90 + 18 = 28, thus
average rate of change = =
= 9