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Brut [27]
3 years ago
7

Solve for x: 3+x=2x=?

Mathematics
2 answers:
worty [1.4K]3 years ago
7 0

Answer:

X=3

Step-by-step explanation:

3+x=2x

Collect like terms

3=2x-x

3=x.

X=3

Leokris [45]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

3+x=2x

Subtract x from each side to get the variable on one side

3+x-x=2x-x

3 = x

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2 years ago
Write two different rational functions whose graphs have the same end behaviour as the graph of y=3x^2
baherus [9]

Answer:

               y=x^2+5x+20\\ \\ y=8x^2+35

Explanation:

The <em>end behavior</em> of a <em>rational function</em> is the limit of the function as x approaches negative infinity and infinity.

Note that the the values of even functions are the same for ± x. That implies that their limits for ± ∞ are equal.

The limits of the quadratic function of general form y=ax^2+bx+c as x approaches negative infinity or infinity, when a  is positive, are infinity.

That is because as the absolute value of x gets bigger y becomes bigger too.

In mathematical symbols, that is:

\lim_{x \to -\infty}3x^2=\infty\\ \\ \lim_{x \to \infty}3x^2=\infty

Hence, the graphs of any quadratic function with positive coefficient of the quadratic term will have the same end behavior as the graph of y = 3x².

Two examples are:

         y=x^2+5x+20\\ \\ y=8x^2+35

5 0
3 years ago
Determine the rate of change for 6y=8x-40
Maksim231197 [3]
The rate of change is 8/6.
4 0
3 years ago
If T=[23 -38]<br> [17 -6 ]<br> then what is –10(T)?<br> PLEASE HELP
andrew-mc [135]

Answer:

B

Step-by-step explanation:

Multiply each term by -10

8 0
3 years ago
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