Is this a function y= 2x - 5

Mathematics

1 answer:

tiny-mole [99]3 years ago

7 0

I would say that it is, since you can plug in x and get different values every time. i hope this helps!!

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Margee thinks she can use logs to solve 56 = x^8, since logs seem to make exponents disappear. Unfortunately, Margee is wrong. E

aniked [119]

Answer:

We use log to solve only those equations in which we have our variables in power form.

Step-by-step explanation:

Given : Margee thinks she can use logs to solve $56=x^8$ , since logs seem to make exponents disappear but Margee is wrong

We have to explain the difference between equations like $2=(1.04)^x$ and $56=x^8$

We use log to solve only those equations in which we have our variables in power form.

Out of given equation only $2=(1.04)^x$ has x in power form so we can apply log for solving the equation as,

$2=(1.04)^x\\\\\ \text{Taking ln both sides},\\\ln (2)=\ln (1.04)^x\\\\\\\\text{Using idenity} \ln a^b=b\ln a\\\\\\ln (2)=\ln (1.04)^x\\\\\text{on solving, we get}\\\\x=17.673$

While solving other equation ,

$56=x^8$ , we can directly take 8 root both side, $56=x^8\\\\\\56^{\frac{1}{8}}=x^{(8\times{\frac{1}{8}})$

Thus, We use log to solve only those equations in which we have our variables in power form.

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3 years ago

Brampton is 70 kn due east of Abbott. The bearing of Corwood from Abbott is 015 degrees and from Brampton is 290 degrees. Calcul

Mashcka [7]

I THINK YOU NEED OPEN MATH BOOK! ;)

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3 years ago

What integer divided by six, less eighteen, is negative twenty-two?

WITCHER [35]

Simplifying what you said in your question would be x/6 - 18 = -22.
Therefore, you can solve the equation by adding 18 to both sides: x/6 = -4
Now, multiply each side by 6: x = -24. Check your answer by substituting -24 into the original equation and you will get -24 = -24

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4 years ago

Help ASAP! 20 Points!

morpeh [17]

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3 years ago

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ronaldo delivers the papers at the rate of 6 papers in 24 minutes. how much longer would it take him to deliver 56 papers than 4

UkoKoshka [18]

We are given

Ronaldo delivers the papers at the rate of 6 papers in 24 minutes