mountaink97
Answered

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At what input value will the function f(x)=x-5+2 begin to have real outputs?
[tex]f(x)= \sqrt{x-5+2} [/tex]
​

Sagot :

Answer:

3

Step-by-step explanation:

I believe the answer is 3. Based on what we know about square roots, the expression under the square root symbol must be at least zero for the output to be real.

So you have

[tex]x-5+2\geq 0[/tex]

Solving this gives you

[tex]x-3\geq 0\\x\geq 3[/tex]

Therefore, the function will begin to have real output at the input value of 3.

Hope this helped.

Answer:

5

Step-by-step explanation:

x-5+2

5-5+2=0+2=2  that's a real answer so the answer is 5 :)

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