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3 years ago

Consider functions f and g below.

Mathematics

2 answers:

kobusy [5.1K]3 years ago

7 0

Answer:

As x approaches infinity, the value of f(x) approaches infinity and the value of g(x) approaches negative infinity.

Step-by-step explanation:

Katyanochek1 [597]3 years ago

4 0

Answer:

g(x) approaches negative infinity

Step-by-step explanation:

g(x) = -x² + 2x + 4

limit at g(x) approaches infinity = -(∞)² + 2(∞) + 4 = -∞

I can't solve for f(x) because you didnt give me f(x)

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What is x - the square root of -2

Lena [83]

Sqrt(-2), can be written as i * sqrt(2). Thus, our answer is x - i sqrt(2).

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2 years ago

Kathy is fencing in her yard that has an area of 800 square feet. Her yard is in the shape of a rectangle where the length is 60

anygoal [31]

Answer:

The dimensions of the yard are W=20ft and L=40ft.

Step-by-step explanation:

Let be:

W: width of the yard.

L:length.

Now, we can write the equation of that relates length and width:

$L=5W-60$ (Equation #1)

The area of the yard can be expressed as (using equation #1 into #2):

$Area=W*L=W*(5W-60)$ (Equation #2)

Since the Area of the yard is $800 ft^2$ , then equation #2 turns into:

$800=W*(5W-60)$

Now, we rearrange this equation:

$800=W*(5W-60)//800=5W^2-60W//5W^2-60W-800=0$

We can divide the equation by 5 :

$W^2-12W-160=0$

We need to find the solution for this quadratic. Let's find the factors of 160 that multiplied yields -160 and added yields -12. Let's choose -20 and 8, since $(-20)*8=160$ and $-20+8=-12$ . The equation factorised looks like this:

$(W-20)(W+8)=0$

Therefore the possible solutions are W=20 and W=-8. We discard W=-8 since width must be a positive number. To find the length, we substitute the value of W in equation #1:

$5*20-60=40$

Therefore, the dimensions of the yard are W=20ft and L=40ft.

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2 years ago

Ok ok, Jonathan is making his favorite pasta dish. His mom ate 2/7 of the pasta, and his brother ate 1/6 of the pasta. How much

givi [52]

Answer:

It is 0.4524 rounded simply you can say 0.45

Step-by-step explanation:

if you multiply 2/7 by 6 which is 12/42 and 1/6 times 7 which is 7/42 and add both fractions you will get 19/42 which is 0.45 you can either say the answer is 0.45 or 19/42.

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3 years ago

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Describe how you would determine the x-intercepts from the factored form of a quadratic equation

Aloiza [94]

Answer:

Please check explanations

Step-by-step explanation:

Given the factored form, all we have to do is to equate each of the factor to zero, then solve for x

The particular value of x represents the solution that shows the value of the x-intercept

for example

In a case of a quadratic equation where we have

(x-a)(x-b) = 0

Then we can have

(x-a) = 0 or ((x-b) = 0

Then we have x = a or x = b

a and b are the x intercepts in this case

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3 years ago

Helppp meeee pleaseeeee

lutik1710 [3]

I hate math its so hard for no reason

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2 years ago

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