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Katena32 [7]
4 years ago
9

The graph of the function f(x) = (x − 3)(x + 1) is shown. Which describes all of the values for which the graph is positive and

decreasing?
all real values of x where x < −1
all real values of x where x < 1
all real values of x where 1 < x < 3
all real values of x where x > 3
Mathematics
2 answers:
Mice21 [21]4 years ago
8 0

Answer:

answer is A

Step-by-step explanation:

Just took the test on edge 2020

hodyreva [135]4 years ago
3 0

Answer:

option a all real values of x where x < −1

Step-by-step explanation:

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Can someone help with 2B, please
Hunter-Best [27]

Answer:

f'(1)=150ln(1.5)

Step-by-step explanation:

I'm not sure why you would need a table since the limit definition of a derivative (from what I'm remembering) gives you the exact formula anyway... so hopefully this at least helps point you in the right direction.

My work is in the attachment but I do want to address the elephant on the blackboard real quick.

You'll see that I got to the point where I isolated the h's and just stated the limit equaled the natural log of something out of nowhere. This is because, as far as I know, the way to show that is true is through the use of limits going to infinity. And I'm assuming that you haven't even begun to talk about infinite limits yet, so I'm gonna ask you to just trust that that is true. (Also the proof is a little long and could be a question on it's own tbh. There are actually other methods to take this derivative but they involve knowing other derivatives and that kinda spoils a question of this caliber.)

6 0
3 years ago
5y+30 5 complete the factoring ...?
krek1111 [17]
Well, I don't really understand if it is 30 or 305 because of the spacing but I'll answer both. If it is 5y+305, just divide the whole equation by 5 and it will look like this (<u>5y+305)</u>  then the factor would be 5(y+61)<u>
</u>                   5 
If it is 5y+30 it would be just in the same process, Divide the equation by 5 and the result will be 5(y+6).
8 0
3 years ago
HELP ME PLEASE !!!!!!!!
vivado [14]

Answer:

I got 70% hope it helps man

4 0
3 years ago
Help me for brainliest...
spin [16.1K]

Answer:

1cm = 320 km?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What plus 150 equals to 180
zzz [600]

Answer:

30

Step-by-step explanation:

150+30=180

Hope This Helps!!

(brainliest please, if possible)

5 0
3 years ago
Read 2 more answers
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