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Yanka [14]
3 years ago
10

A function is shown. f(x)=x2+2x−1 Which graph represents the function?

Mathematics
1 answer:
neonofarm [45]3 years ago
6 0
It's the bottom answer
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Find two numbers that multiply to -72 and add up to -1​
Andrews [41]

Answer:

-8 and 9

Step-by-step explanation:

-8 x 9  = -72

and  -8 + 9 = 1

7 0
2 years ago
Does the equation below define a liner function​
Komok [63]
<h3>Answer: No, this function is not linear</h3>

This function is a hyperbola. It graphs out two disjoint curves. A linear function produces a single straight line graph. All linear functions can be written in the form y = mx+b. The x being in the denominator is one indicator we cannot write the original equation in the form y = mx+b.

y = 3/x is the same as xy = 3; this tells us every point on y = 3/x has its (x,y) coordinate pair multiply to 3.

8 0
3 years ago
I rlly need to know this asap
balu736 [363]
Box A has 12 balls and Box B has 8 balls.
OR
Box A has 60 balls and Box B has 40 balls.
OR
Box A has 48 balls and Box B has 32 balls.
7 0
2 years ago
In the following addition problem, the letters A,B,C stand for three different digits. What digits should replace each letter?
Eva8 [605]
Alright so I got A=4, B=5 and C=9

   A B C          
+ A C B
----------
   C B A

   459
+ 495
--------
   954


8 0
3 years ago
How to solve <img src="https://tex.z-dn.net/?f=log_%7By%7D%285y%29%20%3D%202" id="TexFormula1" title="log_{y}(5y) = 2" alt="log_
Natalija [7]

Answer:

  y = 5

Step-by-step explanation:

Expand the logarithm:

\log_y{(5)}+\log_y{(y)}=2\\\\\dfrac{\log{(5)}}{\log{(y)}}+1=2 \quad\text{change of base formula}\\\\\dfrac{\log{(5)}}{\log{(y)}}=1 \quad\text{subtract 1}\\\\\log{(5)}=\log{(y)} \quad\text{multiply by log(y)}\\\\5=y \quad\text{take the anti-log}

_____

You can also take the antilog first:

  5y = y²

  y(y -5) = 0 . . . . . subtract 5y, factor

  y = 0 or 5 . . . . . y=0 is not a viable solution, so y=5.

5 0
3 years ago
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