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julsineya [31]
2 years ago
10

How do i solve this and whats the answer v

Mathematics
1 answer:
emmainna [20.7K]2 years ago
4 0
Use Desmos it’ll explain all of that stuff
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Find the exponential function that satisfies the given conditions: Initial value = 64, decreasing at a rate of 0.5% per week
mrs_skeptik [129]

Answer:

Step-by-step explanation:

An exponential function is of the form

y=ab^x

where a is the initial value and b is the growth/decay rate.  Our initial value is 64.  That's easy to plug in.  It goes in for a.  So the first choice is out.  Considering b now...

If the rate is decreasing at .5% per week, this means it still retains a rate of

100% - .5% = 99.5%

which is .995 in decimal form.

b is a rate of decay when it is greater than 0 but less than 1; b is a growth rate when it is greater than 1.   .995 is less than 1 so it is a rate of decay.  The exponential function is, in terms of t,

f(t) = 64(.995)^t

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3 years ago
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What happens to the volume of a cylinder when the radius is doubled?
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When the radius is doubled, the volume of a cylinder quadruple

5 0
3 years ago
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Simplify [0.009÷0.004]-1/2​
pantera1 [17]

Answer:

1.75

Step-by-step explanation:

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3 years ago
Look at this graph:<br><br> What are the coordinates of the vertex?
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