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2 years ago

13

F(x)=3x^4-2x^3-12x^2-x; k=4

1 answer:

MArishka [77]2 years ago

6 0

Answer:

444

Step-by-step explanation:

Find F * k given F(x) = 3x^4 - 2x^3 - 12x^2-x, k = 4

F * k = F( ( k ) ( x ) )

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lbvjy [14]

Step-by-step explanation:

Given bi-quadratic equation is:

$x^4+95x^2 -500=0$

Substituting $x^2=a,$ given bi-quadratic equation reduces in the form of following quadratic equation:

$a^2 +95a -500=0\\$

Let us factorize the above quadratic equation:

$a^2 +95a -500=0\\\therefore\: a^2 +100a -5a-500=0\\\therefore\: a(a +100) -5(a+100)=0\\\therefore\: (a +100)(a -5)=0\\\therefore\: (a +100)=0\:\: or \:\: (a -5)=0\\\therefore\: a = - 100\:\: or \:\: a = 5\\\\CASE\: (1)\:\\When\: a = - 100 \implies x^2 = - 100\\\therefore x=\pm \sqrt{-100}\\$

Since square root of a negative number cannot be found, so:

$x \neq \pm \sqrt{-100}\\$

$CASE\: (2)\:\\When\: a =5 \implies x^2 =5\\\therefore x=\pm \sqrt{5}\\$

3 0

3 years ago

Someone please help my with my geometry test?!!!

jenyasd209 [6]

Answer:

what is the question

Step-by-step explanation:

6 0

2 years ago

The ratio of white socks to brown socks is <br> PLZ HELP ASAP

Alex73 [517]

Answer:

0.875 is the ratio from white to brown socks.

6 0

3 years ago

The parabola is swached vertically by a factor of 5.

kobusy [5.1K]

Answer:

answer below

Step-by-step explanation:

I think you mean "squashed" or "stretched" vertically by a factor of 5.

f(x) is the original parabola equation

g(x) = 5f(x) is vertically stretched by a factor of 5

(x,y) -> (x , 5y)

5 0

3 years ago

Pleaseeee help me answer this question I thought I knew but I guess I don’t

Nastasia [14]

The statement given is :

If a figure has three sides , it is a triangle

contrapositive statement is :

If a figure is not a triangle, then it does not have three sides.

last option is correct

3 0

3 years ago