anonymous
  • anonymous
MEDAL AND FAN PROMISED!!! PLZ HELP!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
f(x) = 2(3)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3
anonymous
  • anonymous
can you help me find the rate of change @kiamousekia
idku
  • idku
\(\large\color{black}{f(x)=2(3)^x}\) Like this?

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anonymous
  • anonymous
yes
anonymous
  • anonymous
\i need to find the rage of change
anonymous
  • anonymous
with that formula
anonymous
  • anonymous
@kiamousekia can u help me plz
idku
  • idku
How would you normally find the slope between the slope between points \(\large\color{black}{(a,b)}\) and \(\large\color{black}{(c,d)}\) ? \(\large\color{black}{m=\dfrac{b-d}{a-c}}\)
idku
  • idku
For section A, you need to find f(0) and f(1), and then the slope between (0,f(0)) and (1,f(1)).
anonymous
  • anonymous
well i need 2 Find the average rate of change of each section.
anonymous
  • anonymous
so ik that formula
anonymous
  • anonymous
but i need help doing it
idku
  • idku
ok, and tell me what is f(0)=? and f(1)=?
anonymous
  • anonymous
(0,1)?
idku
  • idku
\(\large\color{black}{f(x)=2(3)^x}\) \(\large\color{black}{f(0)=2(3)^0=?}\) \(\large\color{black}{f(1)=2(3)^1=?}\)
idku
  • idku
(anything raised to power 0, is 1)
anonymous
  • anonymous
so i need 2 answer that equasion
anonymous
  • anonymous
Idk sorry
idku
  • idku
yes, you need to answer my 2 last questions (those are your y-values of the 2 points, respectively) and then use the slope formula
anonymous
  • anonymous
f(x) = 2(3)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3 this is what im asking tho i need to find them sepretly
idku
  • idku
I know.
idku
  • idku
You have to know the y-coordinates of the 2 points to find the slope, don't you?
anonymous
  • anonymous
ok ok i got it now
idku
  • idku
What is the y-coordinate when x=0? What is the y-coordinate when x=1?
idku
  • idku
(recall that your function is \(\large\color{black}{f(x)=2(3)^x}\) )
idku
  • idku
plug in 0 for x, and then plug in 1 for x.
anonymous
  • anonymous
so its 6 and there are no soulutions 2 the first 1
idku
  • idku
\(\large\color{black}{f(x)=2(3)^x}\) \(\large\color{black}{f(0)=2(3)^0=2\cdot1=2}\) So the y-coordinate when x=0, is y=2
idku
  • idku
Can you find the y-value when x=1? (do it same way I have done it)
anonymous
  • anonymous
im so confused
idku
  • idku
and im so sorry
anonymous
  • anonymous
@Preetha @perl can you plz help

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