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3 years ago

14

Find the domain and range of f(x ) = (x^2+2x+1)/(x^2-8x+12)

1 answer:

andrey2020 [161]3 years ago

8 0

Nter any function to compute the domain<span> and </span>range<span>. Specify a restriction on the independent variable. Compute </span>domain<span> and </span>range<span> for functions of several variables. ... </span>domain<span> and </span>range<span> of (</span>x^2+1)/(x^4-1) ...domain<span> of </span>f(x,y) = log(1-(x^2+y^2<span>)).</span>find<span> the </span>range<span> of </span>f(x<span>) = </span>x2+2x+1/x2-8x+12<span>. ... Write </span>domain<span> and </span>range<span> of greatest integer function. hopes this helps u

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Which method of solving quadratic equations would be the easiest to use to find the solution for x2 – 13x + 12 = 0?

kolezko [41]

Factoring would be the easiest.

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3 years ago

PLEASE HELP ASAP

maria [59]

Answer:

First option: $3x^2-5x=-8$

Second option: $2x^2=6x-5$

Fourth option: $-x^2-10x=34$

Step-by-step explanation:

Rewrite each equation in the form $ax^2+bx+c=0$ and then use the Discriminant formula for each equation. This is:

$D=b^2-4ac$

1) For $3x^2-5x=-8$ :

$3x^2-5x+8=0$

Then:

$D=(-5)^2-4(3)(8)=-71$

Since $D$ this equation has no real solutions, but has two complex solutions.

2) For $2x^2=6x-5$ :

$2x^2-6x+5=0$

Then:

$D=(-6)^2-4(2)(5)=-4$

Since $D$ this equation has no real solutions, but has two complex solutions.

3) For $12x=9x^2+4$ :

$9x^2-12x+4=0$

Then:

$D=(-12)^2-4(9)(4)=0$

Since $D=0$ this equation has one real solution.

4) For $-x^2-10x=34$ :

$-x^2-10x-34=0$

Then:

$D=(-10)^2-4(-1)(-34)=-36$

Since $D$ , this equation has no real solutions, but has two complex solutions.

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3 years ago

What is the opposite of dividing by 1? O A. subtracting 1 B. multiplying by 1 C. adding 1 D. dividing by 1

topjm [15]

Answer:

B multiplying by

Step-by-step explanation:

Multiple is opposite from divide.

Plus is opposite from subtract.

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3 years ago

A customer in a store had two 50% off coupons. She tried to buy a purse with them, gave them to the cashier

antoniya [11.8K]

Answer:

Well, I think that the 50% coupons would give you only 50% off of your entire purchace. Not 100% off.

Step-by-step explanation:

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3 years ago

Please help me with 1,2,3,show me how you get the answers and show me the steps for 1,2,3,please do not send me link write it ri

Natali [406]

Answer:

Step-by-step explanation:

1. ok so you need to use Pythagoras which is a^2 + b^2 = c^2

substituting 16 and 12 into 'a' and 'b' you get 16^2 + 12^2 = c^2

256 + 144 = c^2

400 = c^2 (square root each side to get ride of the square)

c = 20cm

2. doing the same thing you get c = 22.36 in

3. again doing it you get c = 15Ft

Hope this helps!

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2 years ago