anonymous
  • anonymous
For the graphed function f(x) = (4)x − 1 + 2, calculate the average rate of change from x = 1 to x = 2.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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TrojanPoem
  • TrojanPoem
rate of change = \[\frac{ f(x_{1}) - f(x_{2}) }{ x_{1} - x_{2} }\]
anonymous
  • anonymous
thank you for replying so fast. :) so i just plug in the numbers.
TrojanPoem
  • TrojanPoem
Yeah, direct substitution.

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More answers

anonymous
  • anonymous
how do i know what x 1 and 2 are? is it just the x=1 and x=2 from the equation
TrojanPoem
  • TrojanPoem
You have the freedom to let x_{1} = 1 or 2 I prefer letting x_{1} = 2 , x_{2} = 1
anonymous
  • anonymous
ok. gimme a sec and check my work plz
TrojanPoem
  • TrojanPoem
Plug in the values and show me your final answer. I will verify it.
anonymous
  • anonymous
lmao im just getting f
anonymous
  • anonymous
@TrojanPoem hello?
TrojanPoem
  • TrojanPoem
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TrojanPoem
  • TrojanPoem
To get f(2) plug in 2 in f(x) f(2) = 4 * 2 - 1 + 2 = 8 - 1 + 2 = 9 f(1) = 5 9 - 5/1 = 4
anonymous
  • anonymous
so thats the answer? the answer choices given to me are -3, 3 ,-2, 2
anonymous
  • anonymous
@TrojanPoem
TrojanPoem
  • TrojanPoem
f(x) = (4)x − 1 + 2 Are you sure of this ? I have never seen a worksheet which can't sum -1 + 2
anonymous
  • anonymous
idk do u know the answer or have some clue what it is
TrojanPoem
  • TrojanPoem
I am sure of my formula and calculations.
TrojanPoem
  • TrojanPoem
Here is a reference if you doubt what I say: http://www.mesacc.edu/~marfv02121/readings/average/
anonymous
  • anonymous
ok thanks for help im just gonna wing it !
TrojanPoem
  • TrojanPoem
Recheck the question.

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