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Black_prince [1.1K]
3 years ago
12

What function is graphed below?

Mathematics
2 answers:
Rudik [331]3 years ago
6 0
<h2>Answer:</h2>

The function whose graph is given to us is:

                f(x)=\log (x-3)

<h2>Step-by-step explanation:</h2>

By looking at the graph of the function f(x) we observe that when x=4 then the value of the function is zero.

                  i.e. f(x)=0 at x=4.

( If:

f(x)=\log (x+3)

then at x=4 we have:

f(x)=\log 7\neq 0

If:

f(x)=\log x+3

then at x=4 we have:

f(x)=\log 4+3\neq 0

( since, \log 4>0

If:

f(x)=\log x-3

then at x=4 we have:

f(x)=\log 4-3\neq 0

since,

0 )

Hence, the only function which satisfies this property is:

f(x)=\log (x-3)

since, at x=4

we have:

f(x)=\log (4-3)\\\\i.e.\\\\f(x)=\log 1\\\\i.e.\\\\f(x)=0

Hence, the answer is:

                          f(x)=\log (x-3)

tester [92]3 years ago
3 0
The answer for the exercise shown above is the first option, which is:
<span> f(x)=log(x-3) 
 The explanation is shown below:
 If you substitute the x in the function for values, you will obtain the graph attached above. As you can see on the mentioned graph, when the variable x has the value 4, the value y is 0. Therefore, you have:
 </span> f(x)=log(x-3) 
  f(x)=log(4-3) 
  f(x)=log(1)
  f(x)=0<span>
 </span>
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