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satela [25.4K]
1 year ago
7

I need some help with these it's hard for me can some help asap​

Mathematics
2 answers:
natka813 [3]1 year ago
6 0
C and B is going to be your correct answer for this question. Have a good day.
Nataliya [291]1 year ago
4 0

Answer:

C and B

Step-by-step explanation:

Evaluate g(5) then substitute the value obtained into f(x)

g(5) = \sqrt{5-1} = \sqrt{4} = 2 , then

f(2) = 3(2) + 1 = 6 + 1 = 7

-----------------------------------------------------------------------------

f(x) = \frac{x^2+3}{(x-4)(x+8)}

the denominator of f(x) cannot be zero as this would make f(x) undefined.

equating the denominator to zero and solving gives the values that x cannot be and if the numerator is non zero for these values then they are vertical asymptotes.

(x - 4)(x + 8) = 0

equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 8 = 0 ⇒ x = - 8

the vertical asymptotes are x = 4 and x = - 8

You might be interested in
Determine if the matrix below is invertible. Use as few calculations as possible. Justify your answer.
Marysya12 [62]

Answer:

This shows 3 pivot position matrixes.

Step-by-step explanation:

The given matrix is:  

\left[\begin{array}{ccc}1&-2&-5\\0&4&3\\-3&3&0\end{array}\right]

The option D is correct for this matrix.

The matrix is invertible and the given matrix has 3 pivot positions.

The matrix is invertible if its determinant is nonzero.

Multiply the 3rd row by 1/3.we get:

\left[\begin{array}{ccc}1&-2&-5\\0&4&3\\-1&1&0\end{array}\right]

Now, add the first row with third row:

\left[\begin{array}{ccc}0&-1&-5\\0&4&3\\-1&1&0\end{array}\right]

Replace third row by first row:

\left[\begin{array}{ccc}-1&1&0\\0&4&3\\0&-1&-5\end{array}\right]

This shows 3 pivot position matrixes.

Hence, a matrix is invertible and has 3 pivot positions.

7 0
3 years ago
What is the volume of the following prism?
ira [324]

Answer: \Large\boxed{B.~\displaystyle 75~m^3}

Step-by-step explanation:

<u>Given information</u>

Height = 2 m

Base = 5 m

Length = 15 m

<u>Given the formula for Triangular Prism Volume</u>

V~=~\displaystyle \frac{1}{2}\times ~b~\times~h~\times~l

\to V=Volume\\\to b=base\\\to h = height\\\to l = length

<u>Substitute values into the formula</u>

V~=~\displaystyle \frac{1}{2}\times ~(5)~\times~(2)~\times~(15)

<u>Simplify by multiplication</u>

V~=~\displaystyle \frac{5}{2}~\times ~30

\Large\boxed{V~=~\displaystyle 75~m^3}

Hope this helps!! :)

Please let me know if you have any questions

3 0
1 year ago
How could you solve for x in the problem 3x+7=-x-1
lukranit [14]

Hello there!

3x+7=-x-1\\

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓

First you had to subtract by 7 from both sides of the equation.

3x+7-7=-x-1-7

Simplify

3x=-x-8

Then you add by x from both sides of the equation.

3x+x=-x-8+x

Simplify

4x=-8

Divide by 4 from both sides of the equation.

\frac{4x}{4}=\frac{-8}{4}

Simplify it should be the correct answer.

x=-2

Answer⇒⇒⇒x=-2

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

7 0
3 years ago
(◟ᅇ)◜Please Help Asap, Tysm!
d1i1m1o1n [39]

Answer:

Step-by-step explanation:

3 hope this helps :))

7 0
3 years ago
Read 2 more answers
What fraction is equal to 50% of 1/3
Dima020 [189]

Answer:

1/6

Step-by-step explanation:

50% is 0.5 or 1/2 so you just multiply 1/3 by 1/2 to get 1/6

8 0
3 years ago
Read 2 more answers
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