Mathematics, 29.08.2019 23:30 babyissy2016

Give a possible formula for the exponential function in the figure below.
round any calculations to two decimal places.
y =

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Answer from: totallybriii

The exponential function is $y=400(4.31)^{t}$

Step-by-step explanation:

* Lets look to the graph and describe it

- The graph is an exponential function function

- It is a relation between t and y

- t is represented by x-axis

- Y is represented by y-axis

- The vale of y is 400 when t = 0

- The value of y is 32,000 when t = 3

* We have two point on the graph so we can make the equation

- The form of the exponential function is $y=a(b)^{t}$ , where

a is the initial value and b is the growth factor

∵ The graph of the function is growth exponential function

∴ b is greater than 1

∵ The points (0 , 400) and (3 , 32000) lie on the function

∵ y = 400 when t = 0

∴ the initial value is 400

∴ a = 400

∴ $y=400(b)^{t}$

- Substitute the values of y and t by the second point

∴ $32000=400(b)^{3}$

- Divide both sides by 400

∴ $80=(b)^{3}$

- Take ∛ for both sides

∴ ∛80 = b

∴ b = 4.31

∴ $y=400(4.31)^{t}$

* The exponential function is $y=400(4.31)^{t}$

Answer from: Quest

the clues that signal the reader should change tone are the punctuation marks, the grammatical signs. for example, the quotation marks at the beginning of something someone else said literally or the exclamation marks.

the tone of the first line of dialogue until "gettysburg" is a kind tone, a tone of advise. the narrator is trying to the other person in doing something he or she obviously is finding hard to do by giving a piece of advise and bringing up a memory of a successful similar case.

the clue that the reader understand how to read the word "bang" is the exclamation mark. it gives the word a surprise tone, a strong accent.

the best tone for reading the word "bang" is an exciting tone, a surprise one, even a loud one.

the words that should be read with a formal tone are the ones that give factual information. the sentence: mister lincoln couldn't think of anything to say at the gettysburg" gives information about an event and it needs to be read formally, also, when the narrator wants to transmit calmness, a formal and slow tone is needed, because people also transmit messages with the vibrations of our voices and tones.

Answer from: Quest

i dont know

step-by-step explanation:

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Give a possible formula for the exponential function in the figure below.
round any calculatio...

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