anonymous
  • anonymous
make a table of values and a hand drawn graph for the function y= 1.5^(x)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
y(x)=1.5^x Y(-2)=1.5^(-2) ...(-2,0.444) Y(-1)=1.5^(-1) ...(-1,0.666) Y(0)=1.5^(-0) ...(0,1) Y(1)=1.5^(1) ...(1,1.5) Y(2)=1.5^(2) ...(2,2.25) and so on
anonymous
  • anonymous
i dont get how u did that
anonymous
  • anonymous
we chose a few numbers of our own choice (these are -2,-1,0,1,2) and substitute into the given equation we have (replacing x)

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anonymous
  • anonymous
x is an exponent tho
anonymous
  • anonymous
yes, no problem, we replaced x with a specific number to evaluate the function value at that number
anonymous
  • anonymous
how do you make a table of values thouhh
anonymous
  • anonymous
|dw:1327956510783:dw|
anonymous
  • anonymous
u should then draw it by hand, and have a curve similar to this one
1 Attachment
anonymous
  • anonymous
thank you but like how did you come up with that table ? like what are the steps? i dont get it
anonymous
  • anonymous
and how do you know when to stop?
anonymous
  • anonymous
??
anonymous
  • anonymous
i just choose a few points, u can choose 3, 5, 10,1000000, it depends on u and the time u have
anonymous
  • anonymous
and what do you do with these points lol?
anonymous
  • anonymous
we replace each point we have select with x, and calculate the value we have, then we arrange all of these points into a table, just like the one above
anonymous
  • anonymous
how do you calculate the values though?? like i dont get it
anonymous
  • anonymous
ok sarah, lets work slowly, step by step, first, we have this function (mathematical relation) between two variables x and y, x can take any valye, while y is governed by 1.5^x, ok?
anonymous
  • anonymous
ok got it
anonymous
  • anonymous
good, now, since x can take any value, i want u to select a few values for x, can u?
anonymous
  • anonymous
uhm how many?
anonymous
  • anonymous
it's up to u, as many as u like
anonymous
  • anonymous
uhhh ok. 3 2 1 0 -1 -2 -3
anonymous
  • anonymous
excellent work sarah, now we'll take each one and put it instead of x, i'll do the first 3 numbers, -3, -2, -1: 1.5^-3=1/(1.5^3)=1/(1.5*1.5*1.5)=0.296 1.5^-2=1/(1.5^2)=1/(1.5*1.5)=0.444 1.5^-1=1/(1.5^1)=1/(1.5)=0.666 can u do any other number by urself??
anonymous
  • anonymous
i dony get how you did that. and all those symbols r confusin. :(
anonymous
  • anonymous
don't worry, what step is confusing u??
anonymous
  • anonymous
all the symbols like i dont get what your doing
anonymous
  • anonymous
how about i explain this one, ok? 1.5^-3=1/(1.5^3)=1/(1.5*1.5*1.5)=0.296
anonymous
  • anonymous
can u write it on the equation thingy so i can acutually seee what your doing?
anonymous
  • anonymous
\[1.5^{-3}\]
anonymous
  • anonymous
whats the rest ? lol

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