3 years ago

Determine whether x=5 is a solution to the compound inequality shown below. Justify your answer.

Mathematics

1 answer:

IrinaK [193]3 years ago

5 0

Answer:

Step-by-step explanation:

x + 8 > 11 = x > 3

2x - 3 < 7 = x < 5

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What are the zero(s) of the function f(x)=<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4x%5E%7B2%7D-36x%20%7D%7Bx-9%7D" id="TexFo

Contact [7]

Answer:

Step-by-step explanation:

The function will be zero when the numerator is equal to 0. So, set the numerator equal to 0 and solve:

$0 = 4 {x}^{2} - 36x$

I will use the quadratic formula:

$\frac{ 36 + \sqrt{ {36}^{2} - 4(4)(0)} }{2(4)} \\ \frac{ 36 + 36}{8} = 9$

Therefore, x = 9 is a 0. Let's check with subtracted root now:

$\frac{ 36 - \sqrt{ {36}^{2} - 4(4)(0)} }{2(4)} \\ \frac{ 36 - 36}{8} = 0$

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Helppp pleaseee if you can !!! if you can’t see the pic don’t bother answering

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Answer:

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