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MariettaO [177]
3 years ago
7

Which of the following is the function representing the graph below?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
5 0
We have that

using a graph tool
see the attached figure 

 case A) <span>f(x) = 4^x
</span>this function is not <span>represented in the graph

case B) </span><span>f(x) = 4^(x) − 3
</span>this function is not represented in the graph

case C) <span>f(x) = 4^(x) + 3
</span>this function is  represented in the graph

case D) <span>f(x) = 4^(x + 3)
</span>this function is not represented in the graph

the answer is
case C) f(x) = 4^(x) + 3

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Refer to this question below Thank You.
Liono4ka [1.6K]
Let's solve this problem using substitution.  Given that x-y=8, x = 8 + y.
(Then x^2 = 64 + 16y + y^2)
This other equation is (x-2)^2 + (y-1)^2 = 25.

Easier to substitute 8 + y for x in (x-2)^2:

(8 + y - 2)^2 + (y-1)^2 = 25

(6 + y)^2 + (y-1)^2 = 25
36 + 12y + y^2 + y^2 - 2y + 1 = 25

Re-writing this in descending powers of y:

2y^2 + 10y + 36 + 1 = 25

Then 2y^2 + 10y - 12 = 0

Reduce by division by 2:  y^2 + 5y - 6 = 0   =   (y+3)(y+2) = 0

Then y=-3 and y=-2.       From each of these we get x:  x = 8 + y

So x = 8 - 3 = 5 and x = 8 - 2 = 6.       There are common solutions.  

Try (5, -3) and (6, -2).  Do these points satisfy both of the given equations?  If they do, you've shown that we have common solutions.
6 0
3 years ago
Julius noticed that if he takes the opposite of his age and adds 50, he gets the number 30. How old is Julius?
Over [174]
Julius is 20 year old
3 0
3 years ago
What is 4984+04272775726378837
Anarel [89]

here: 4.2727757e+15. Please mark brainliest. Thanks.

6 0
3 years ago
Find the midpoint of A(5,3) and B(3,-5). Place your answer in (x,y) notation with no spaces.
kifflom [539]
Midpoint means 1/2 way 
separate the x's and the y's find the middle of the x length, middle of the y length 
 x: 5 - 3 = 2    1/2 of 2 = 1   from either end  (3 + 1) or (5-1) = 4 
y: 3-(-5) = 8     1/2 of 8 = 4   from either end  (3-4) or (-5 +4) = -1 

midpoint is therefore (4, -1) 
4 0
3 years ago
A map has a scale of 2 inches = 20 kilometers. If the distance between two cities on the map is 10 inches, what is the actual di
Brilliant_brown [7]
100 kilometers you solve with a proportion 2/20=10/x
2x=200 so x=100
5 0
3 years ago
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