max101avilespd88gn
max101avilespd88gn max101avilespd88gn
  • 02-04-2022
  • Mathematics
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THIS IS EXPONENTIAL FROM TWO POINTS

If f(x) is an exponential function where f(3.5)=21 and f(6.5)=69, then find the value of f(9), to the nearest hundredth.​

THIS IS EXPONENTIAL FROM TWO POINTSIf fx is an exponential function where f3521 and f6569 then find the value of f9 to the nearest hundredth class=

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arabellasdt
arabellasdt arabellasdt
  • 02-04-2022

Answer:

i think the answer is 144

Step-by-step explanation:

ohhh so first we should try finding the slope here. since we know the points are (3.5 , 21) and (6.5, 69) we can use the formula to look for the slope

the formula is:

y2 - y1 / x2 - x1

lets substitute

69 - 21 / 6.5 - 3.5

48 / 3

16

f(x) = 16x + b

now we just substitute

btw i dont think we need to find b because this inst a linear equation? im not sure but yea i dont think we need to find the y-intercept

so anyways

f(9) = 16(9)

= 144

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