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trapecia [35]
3 years ago
8

Find the domain of f(x)= 10x+1 / 8x + 3 and put it in interval notation?

Mathematics
2 answers:
vesna_86 [32]3 years ago
4 0

f(x) = \frac{10x + 1}{8x + 3}

8x + 3 ≠ 0

8x      ≠ -3

\frac{8x}{8} \neq \frac{-3}{8}

   x ≠ \frac{-3}{8}

Interval Notation: (∞,  \frac{-3}{8}) U ( \frac{-3}{8}, ∞)

Alja [10]3 years ago
3 0

(- ∞, -\frac{3}{8}) ∪ (- \frac{3}{8}, ∞ )

The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.

solve : 8x + 3 = 0 ⇒ x = - \frac{3}{8}


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When an oil tank is 7/12 full, it contains 5 1/4 gallons. How many gallons does it hold when full
blondinia [14]
<h3>Answer:</h3>

The tank can hold up to 9 gallons.

Quick Review:

By doing the inverse of 7/12, 12/7, when you multiply it, you'll get a value of 1.

7/12 * 12/7 = 1

Doing the Problem:

By multiplying 5 1/4 by 12/7, you'll get the answer. But first, convert 5 1/4 into an improper fraction.

5 1/4 ---> 21/4

Okay, lets go!

21/4 * 12/7 = 252/28

<u>When reduced, this gives you the answer 9/1, or 9 gallons.</u>

Hope that helps, :)

6 0
3 years ago
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\purple{ \tt{ \huge{  \: ✨Answer ✨ \: }}}

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3 years ago
collins middle school has 264 sixth grade students. if the sixth grade is 40% of the total school, how many students are in the
mixer [17]

Answer:

660

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5 0
3 years ago
X=y^2 is x a function of y
oksano4ka [1.4K]

It is false that x is a function of y

<h3>How to determine the true statement?</h3>

The equation is given as:

x = y^2

Set y = 2

x = (2)^2

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Set y = -2

x = (-2)^2

x = 4

Different values of y give the same x value.

This means that x is not a function of y

Read more about functions at:

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2 years ago
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Answer:

the answer is twenty percent

Step-by-step explanation:

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