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VMariaS [17]
4 years ago
10

Find the limit of the function by using direct substitution as X approaches one lim(x^2-8x -2)

Mathematics
1 answer:
Leno4ka [110]4 years ago
8 0

Answer:

lim_{x \to 1} x^2 -8x -2 =-9

Step-by-step explanation:

For this case we want to find the following limit:

lim_{x \to 1} x^2 -8x -2

And we can find the limit distirbuting into each term like this:

\lim_{x \to 1} x^2 -8 lim_{x \to 1} x -lim_{x \to 1} 2

And replacing we got:

1^2 - 8*1 -2 = 1-8-2 = -9

So then the final answer for this case is:

lim_{x \to 1} x^2 -8x -2 =-9

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Choose the point-slope form of the equation below that represents the line that passes through the points (-3, 2) and (2,1).
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This algebra 1 solving inequalities right?
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3 years ago
if my grade is 69% what will my grade be if i got a 3.3 of 4 on a essay and it's worth 25% of my grade?​
juin [17]

Answer:

72.4%

Step-by-step explanation:

The essay is 25% of your grade, and the rest is 75% of your grade.

25 (3.3/4) + 75 (0.69) ≈ 72.4

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3 years ago
What is the equation of the following line written in slope intercept form? (-5,-1)
solmaris [256]

Answer:

\large\boxed{y=-\dfrac{2}{3}x-\dfrac{13}{3}}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the graph we have two points (-5, -1) and (-2, -3).

<em>Look at the picture</em>.

Calculate the slope:

m=\dfrac{-3-(-1)}{-2-(-5)}=\dfrac{-2}{3}=-\dfrac{2}{3}

Put it to the equation in slope-intercept form:

y=-\dfrac{2}{3}x+b

We can't read the y-intercept from the graph. Therefore put the coordinates of the point (-5, -1) to the equation and calculate <em>b</em>:

-1=-\dfrac{2}{3}(-5)+b

-1=\dfrac{10}{3}+b         <em>subtract 10/3 from both sides</em>

-\dfrac{3}{3}-\dfrac{10}{3}=b\to b=-\dfrac{13}{3}

Finally:

y=-\dfrac{2}{3}x-\dfrac{13}{3}

4 0
3 years ago
How can I solve for x?
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
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This question is solved using the concept of balance, and doing this, we get that:

The balance in her account will be of -$200.

Balance:

The balance of a credit card is given by the sum of all the earnings subtracted by all the spending.

Tamara:

Initial balance: $0

Purchases: $200

Earnings: $0

Subtracting earnings by purchases:

0 - 200 = -$200

The balance in her account will be of -$200.

A similar question is given at brainly.com/question/13280700

5 0
3 years ago
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