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Fofino [41]
3 years ago
6

Write these expressions as simply as possible

Mathematics
2 answers:
harkovskaia [24]3 years ago
7 0
So it is asking you to group like term so
x terms can be grouped/added/subtracted to other x terms, but not to x^2 or x^3 terms
x^2 terms to x^2 and so on so

1.  9-3k+5k=
9+(5k-3k)=
9+2k

2.  k^2+2k+4k=
k^2+(2k+4k)=
k^2+6k=
Archy [21]3 years ago
4 0
1)\ 9-3k+5k=9+2k\\\\2)\ k^2+2k+4k=k^2+6k=k(k+6)
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3 years ago
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Please help me, eshay lad
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Answer:

122.5 cm²

Step-by-step explanation:

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Which of the following describes the end behavior over the domain of the square root function graphed above? Please HELP!!!!!!!!
PilotLPTM [1.2K]
Short Answer A
Comment

It's a good thing that the domain is confined or the graph is. That function is undefined if x < - 3 

At exactly x = - 3, f(x) = 0 and that's your starting point.

So look what happens to this graph. If x = 0, f(0) =  y = 3. So we are starting to see that as x get's larger so does f(x). The graph tells us that x = 0 is bigger than x = - 3.

Let's keep on plugging things in.
As x increases to 5, f(5) = 5. x = 5 is larger than x = 0, and f(5) > 3.

One more and then we'll start drawing conclusions. If x = 9 then f(9) = y =  6. 
x = 9 is larger than x = 5. f(9) = 6 is just larger than f(5) which is 5

OK I think we should be ready to look at answers. There's nothing there that makes the answer anything but a. Let's find out what the problem is with the rest of the choices.

B
The problem with B is that as x increases, f(x) does not decrease. We didn't find one example of that. So B is wrong.

C
C has exactly the same problem as B. 

D
The second statement in D is incorrect. As x increases f(x) never decreases. No example showed that.

The answer is A <<<< Answer.
8 0
3 years ago
PLEASE HELP
balu736 [363]

Answer:

A

Step-by-step explanation:

5 0
2 years ago
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Find the domain/range and equation
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Answer:

Domain = [1.5, 4.5]

Range  = [4, ∞)

Step-by-step explanation:

The domain of the graph are the values along the input variable x while the range are the values of the output variable y;

From the figure the domain values falls with the range [-1.5, -4.5] while the range are with thin the values [4, ∞)

6 0
3 years ago
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