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dimulka [17.4K]
3 years ago
6

Examples: Determine if the graph is a function. If it is, state the domain and range.

Mathematics
1 answer:
NemiM [27]3 years ago
5 0

Answer:

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.Jan 8, 2019

Step-by-step explanation:

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Solve the equation.<br> 4x = -28<br> x=_____
Liono4ka [1.6K]
I think x= -7 because 4x7=28
4 0
3 years ago
HELPPPPPPPPPPPPPPPPP PLZZZZZZZZZZZZZZZZZZZZZZ
Amiraneli [1.4K]

Answer:

54$

Step-by-step explanation:

If 6% per year for 3 years, we can do 6 x 3 = 18 to find the total interest percent over all the years. Then we can do 18% of 300 = 54 Therefore, you will gain 54$ of simple in three years.                

P.S. Dont fall for those link scams! ;)

Hope this helped! If it did, please give me brainliest! It would help a lot! Thanks! :D

3 0
3 years ago
Consider the function f given by f(x)=x*(e^(-x^2)) for all real numbers x.
NISA [10]

Answer:

\frac{\sqrt{\pi}}{4}

Step-by-step explanation:

You are going to integrate the following function:

g(x)=x*f(x)=x*xe^{-x^2}=x^2e^{-x^2}  (1)

furthermore, you know that:

\int_0^{\infty}e^{-x^2}=\frac{\sqrt{\pi}}{2}

lets call to this integral, the integral Io.

for a general form of I you have In:

I_n=\int_0^{\infty}x^ne^{-ax^2}dx

furthermore you use the fact that:

I_n=-\frac{\partial I_{n-2}}{\partial a}

by using this last expression in an iterative way you obtain the following:

\int_0^{\infty}x^{2s}e^{-ax^2}dx=\frac{(2s-1)!!}{2^{s+1}a^s}\sqrt{\frac{\pi}{a}} (2)

with n=2s a even number

for s=1 you have n=2, that is, the function g(x). By using the equation (2) (with a = 1) you finally obtain:

\int_0^{\infty}x^2e^{-x^2}dx=\frac{(2(1)-1)!}{2^{1+1}(1^1)}\sqrt{\pi}=\frac{\sqrt{\pi}}{4}

5 0
3 years ago
Read 2 more answers
Please help meeeeeee.
ruslelena [56]
The perimeter represents the amount of wood needed and the area represents the amount of class needed.  

so 2*(2/3) +  2(2) = 4/3 + 4= 4 4/3 or 5 1/3 wood is needed for the border.

for the mirror, you will need the area= 4/3 * 2 = 8/3 sq yds or 2 2/3 sq yards is needed.

6 0
4 years ago
How to do this <br> y = 2x − 1<br> y = −4x − 7
rusak2 [61]

Answer: ur answer would be 27283

Step-by-step explanation:

3 0
2 years ago
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