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ANTONII [103]
2 years ago
12

Hii please answer only if you know how its timed!! I REALLY NEED TO PASS

Mathematics
1 answer:
Nana76 [90]2 years ago
5 0
There is the answer

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Which functions domain consists of all real numbers except -2?
Eddi Din [679]

Answer:

option (a) f(x)= 1/x+2

Step-by-step explanation:

(a) f(x) = 1/ x+2

To find the restriction for domain , we set the denominator =0  and solve for x

x+2 =0, so x=-2

When x=-2  then denominator becomes 0 that is undefined.

So, domain is all real numbers except -2

(b) f(x)= 2x

In this function, there is no denominator or square root or log function

so there is no restriction for x, hence domain is all real numbers

(c) f(x) = 2x-2

In this function, there is no denominator or square root or log function

so there is no restriction for x, hence domain is all real numbers

f(x) = 1/ sqrt(x+2)

if we have square root in the denominator then we set the denominator >0 and solve for x. because square root of negative values are undefined

x+2>0, x>-2

Hence domain is all real numbers that are greater than -2

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3 years ago
What is the absolute value of -5
vladimir2022 [97]
The absolute value of 2 + 7<span> is 5.</span>
3 0
3 years ago
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-3(-x - 7)<br><br> (Distributive property)
baherus [9]
I believe it is 3x+21 but i could be wrong :/ my explaination is -3 • -X would be +3x because it was distributed and -3 • -7 would be +21
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3 years ago
NEED HELP ASAP
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<span>The total distance traveled and the time spent driving on the trip can be represented by both a relation and a function</span>
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What is the value of the expression below when y=2 6y^2 +8y-9
Annette [7]

Answer:

6y^2+7

Step-by-step explanation:

when you put in the two for y you get tour answer. i tried to simplify it down to the simplest form.

8 0
2 years ago
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