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3 years ago

This is the last one. Please help I need this in by 11:59

Mathematics

2 answers:

vivado [14]3 years ago

8 0

38. 20
39. 68
40. 22

hodyreva [135]3 years ago

3 0

Answer:

37) the answer to that is 89 - 66= 23 add the angles frm 40 degree half which is

20+46= 66 and the other angle is not 90 but 89 so minus one frm 90 which is 89- 6= 23 degree

38)

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3 years ago

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3 years ago

Give an example of a rational function that has a horizontal asymptote at y = 1 and a vertical asymptote at x = 4.

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Answer:

Possibility 1: $\frac{(x+1)(x+1)}{(x-4)(x+5)}$

Possibility 2: $\frac{(x+1)(x+3)(x-3)}{x(x-4)(x+5)}$

Possibility 3: $\frac{-4(x-4)(x+1)}{-4(x-4)(x-4)}$

There are infinitely many more possibilities.

Step-by-step explanation:

So we are looking for a fraction in terms of x.

We have a horizontal asymptote so that means the degree of the top has to equal to degree of the bottom. It is also at y=1 which means the coefficient of the leading term on top and bottom must be the same (but not zero) since the same number divided by the same number is 1.

Now we also have a vertical asymptote at x=4 which means we need a factor of x-4 on bottom.

So there is a lot of possibilities. Here are a few:

Possibility 1: $\frac{(x+1)(x+1)}{(x-4)(x+5)}$

You have the degrees are the same on top and bottom and the leading coefficients are the same. You also have that factor of (x-4) on bottom.

Possibility 2: $\frac{(x+1)(x+3)(x-3)}{x(x-4)(x+5)}$

Possibility 3: $\frac{-4(x-4)(x+1)}{-4(x-4)(x-4)}$

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3 years ago