3 years ago

Determine whether each function represents exponential growth or decay

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

3 0

Answer: Depends on the function but to figure this out you look for the growth factor in the equation is greater than 1

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I need to calculate X 2^x=200 Solve for x

antoniya [11.8K]

Remember
$log(a^z)=zlog(a)$
so

notice that 200=2*2*2*5*5, so x cannot be a whole number

take the log base 10 of both sides

$log_{10}(2^x)=log{10}(200)$
$xlog_{10}(2)=log{10}(200)$
divide both sides by $log_{10}(2)$
$x= \frac{log_{10}(200)}{log_{10}(2)}$

if we used $log_{2}$ instead of $log_{10}$ we would get
$x= log_{2}(200)$ because $log_{a}(a^b)=b$

8 0

3 years ago

28.Neethi had 8

Ludmilka [50]

Answer:

2 1/3 cupcakes

Step-by-step explanation:

A cupcake can make 3 four cups of flour

In 8 fourteen cups of flour, require (14 X 4)/(3 X 8) of cupcakes

= 56/24 = 2 1/3 cupcakes

5 0

3 years ago