3 years ago

Plz help plzplzplzplz

Mathematics

2 answers:

marissa [1.9K]3 years ago

8 0

Answer:

Please refer to the attachment

astraxan [27]3 years ago

4 0

Answer:

x = -1/2 or x = -3

Step-by-step explanation:

2x^2 + 7x + 3 = 0

First, we try factoring the polynomial.

(2x + 1)(x + 3) = 0

It works. Now we set each factor equal to zero.

2x + 1 = 0 or x + 3 = 0

2x = -1 or x = -3

x = -1/2 or x = -3

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What is the domain of the function f(x)=45/(x-23)?

galben [10]

Domain is the set of numbers you can use
usually, domain=all real numbers except those that divide by zero

so find those exceptions
find what numbers make deonenator equal to 0 and exclude them
x-23 is denom
x-23=0
x=23

doman is all real numbers except 23

5 0

3 years ago

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Irina18 [472]

Answer:

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