love_to_love_you
  • love_to_love_you
The equation below represents a function. f(x)=2x^2-9 What is the average rate of change of the function over the interval 3 <= x <= 6
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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SolomonZelman
  • SolomonZelman
you just need to find the slope [of the secant] from the point wehre x=3, to the point where x=6.
SolomonZelman
  • SolomonZelman
So, first, can you find \(f(3)\) and \(f(6)\) for me?
love_to_love_you
  • love_to_love_you
9 and 63?

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SolomonZelman
  • SolomonZelman
yes correct. f(3)=9 f(6)=63 Now, the slope between these 2 points is: \({\rm m}=\dfrac{f(6)-f(3)}{6-3}=\dfrac{63-9}{6-3}=?\)
love_to_love_you
  • love_to_love_you
54/3=18
SolomonZelman
  • SolomonZelman
So the average rate of change on the interval [3,6] is 18
SolomonZelman
  • SolomonZelman
any questions?
love_to_love_you
  • love_to_love_you
Could you help me with another question?
SolomonZelman
  • SolomonZelman
yes, I think I can
love_to_love_you
  • love_to_love_you
Which of the following functions represents a geometric sequence? Why? a. The function f(x) = x^3 represents a geometric sequence because each term is cubed to make it greater. b. The function f(x) = 4x represents a geometric sequence because each term is the next higher multiple of 4. c. The function f(x) = 4x- 4 represents a geometric sequence because each term is 4 more than the previous term. d. The function f(x) = 4^x represents a geometric sequence because each term is 4 times as great as the previous term.
love_to_love_you
  • love_to_love_you
@SolomonZelman

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