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
Answer:
b) 11
c)117.12
1.1×10^2
Those are my answer that try
3. 8/12 and 9/12
5. 1,2,3,6,9,18
6.Friday
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Glad I could help, and good luck!
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Answer: -3
Step-by-step explanation:
plug in -2 for x so that the new problem is:
y=4(-2)+5
then, multiply 4 and -2 so that:
y=-8 +5
finally add -8 to 5 to get:
y=-3
