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marissa [1.9K]
3 years ago
7

Find the value of 4x ssquared - 2y when x=3 =2

Mathematics
2 answers:
IgorC [24]3 years ago
6 0
What is the value of y in this problem? is it 2?
Neporo4naja [7]3 years ago
4 0

Answer:

Since x=3 and y=2, plug into the equation.

4(3)²-2(2)

= 4(9)-4

= 36-4

= 32

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Use graphs and tables to find the limit and identify any vertical asymptotes of the function.
scZoUnD [109]

Answer:

The line x = 8 is our vertical asymptote

The limit of \frac{1}{x-8} as x approaches 8 from the left is negative infinity; -∞

Step-by-step explanation:

We have been given the following function;

\frac{1}{x-8}

Considering that the function is rational, it will defined everywhere on the real line except where the expression in the denominator will be 0;

That is the function will not be defined where;

x - 8 = 0

solving for x yields;

x = 8

The function will be approaching the vertical line x = 8 asymptotically, meaning that the function will never touch or cross this line. We can therefore say that,

The line x = 8 is our vertical asymptote for the given function

The limit of \frac{1}{x-8} as x approaches 8 from the left;

\lim_{x \to8^{-} }\frac{1}{x-8}

For x approaching 8 from the left, x which implies that x-8

The denominator will be a negative quantity approaching 0 from the left, that is -∞.

Thus;

\lim_{x \to8^{-} }\frac{1}{x-8} = -∞

Find the graph attached.

6 0
4 years ago
Which choice represents the expanded form of the expression, (x−2)^3?
schepotkina [342]

(x-2) ^3

x^3-6x^3+12x-8

5 0
3 years ago
Write an equation, solve and show all work.
AnnZ [28]

Answer:

56.

Step-by-step explanation:

46+10=56

3 0
3 years ago
Select the correct answer.
algol [13]

Answer:

its answer C. y=-8

Step-by-step explanation:

y=-8 passes through (-2, -8) and is parallel to y=3 because they're both horizontal

3 0
3 years ago
I need help please ASAP
Murrr4er [49]

10. Kim gets $7 per hour and gets charged $1 for gloves

Use y to represent her pay and x to represent hours worked.

The equation is y = 7x - 1 because she gets 7 times x hours and there is a minus 1 because of the charge of gloves.

11. The table shows that each increasing hour, 8$ is added. Therefore we need to find the bonus that Kit receives just for showing up. This is when hours equals 0. If 3 hours is 27$ pay, then 2 hours is 19$ pay, 1 hour is 11$ pay and 0 hours is 3$ pay. We find that there is a 3$ bonus just for showing up.

Therefore the equation is y = 8x + 3

12. At x = 0, y = 2 so the y-intercept is 2. The slope is going down 4 and right one which means the slope is -4. The y-intercept is b and the slope is m. If we plug these values into the equation y = mx + b we get:

y = -4x + 2

13. At x = 0, y = -3 so the y-intercept is -3. The slope is going up 1 and right 4 which means the slope is 1/4. The y-intercept is b and the slope is m. If we plug these values into the equation y = mx + b we get:

y = 1/4 x - 3

5 0
3 years ago
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