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Ksenya-84 [330]
3 years ago
14

Please help its timed

Mathematics
2 answers:
pav-90 [236]3 years ago
8 0

the second option, domain means x-values

WARRIOR [948]3 years ago
3 0

Answer:

Yes, B

Step-by-step explanation:

Domain and Range is when as x is reaching to infinity, the y is....

when -x os reaching to infinity, the y is...

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How do I factor the following equation in the link? It has been factored, but I need to know the steps.
Vlad [161]

Given

2x^2-x-3=0

How to factor

Solution

Step 1

Multiply the first and last costant

-3\times2x^2=-6x^2

Step 2

Write out all the pair factors of -6x^2

\begin{gathered} -6x^2=-6x\text{ and x} \\ -6x^2=-x\text{ and 6x} \\ -6x^2=\text{ -3x and 2x} \\ -6x^2=\text{ -2x and 3x} \end{gathered}

Step 3

Check for the pair, such that when you add you will get -x

\begin{gathered} it\text{ is } \\ -3x+2x=-x \\ \therefore-3x,\text{ 2x} \end{gathered}

Step 4

Replace -x with -3x+2x in the equation

2x^2-3x+2x-3=0

Step 5

Put them into brackets Since + is at the center no stress.

(2x^2-3x)+(2x-3)=0

Step 6

Factor out what is common in the bracket

x(2x^{}-3)+1(2x-3)=0

Step 7

What is in the bracket are the same, pick one

\therefore(2x-3)(x+1)=0_{}

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How do I do this while I show all my work?
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If sin θ = 1 over 3 and tan θ < 0, what is the value of cos θ? (1 point)
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\sin\theta=\dfrac13>0, so

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Answer:

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