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Illusion [34]
3 years ago
6

Which of the following are attributes of the function f(x)= |4(x-8)|-1 ?

Mathematics
2 answers:
disa [49]3 years ago
8 0

Answer:

Step-by-step explanation:

Westkost [7]3 years ago
3 0

Answer:

Option 1 and 2.            

Step-by-step explanation:

Given : Function  f(x)= |4(x-8)|-1

To find : Which of the following are attributes of the function?

Solution :

We find the domain, range , x-intercept and symmetry  of the given function to match from given attributes.

Function  f(x)= |4(x-8)|-1

1) Domain is defined as the set of values in which function is defined.

Since, The given function for value x is under the absolute function so it is defined for all real numbers.

i.e. D=[(-\infty,\infty), x|x\in \mathbb R]

2) The range is defined as the set of values that correspond with the domain.

i.e.  R=[(-1,\infty), y|y\geq -1]

3) x - intercept is defined as the value of x when y=0.

So,  |4(x-8)|-1=0

|4(x-8)|=1

The values of x are (\frac{33}{4},0), (\frac{31}{4},0)

So, x-intercept exist.

4) Symmetry about x-axis

We show it by graphically as the vertex of equation is (8,0)

And if we construct a line x=8 the graph divides into two equal parts which means it is symmetrical at x=8.

Refer the attached figure below.

Therefore, From the following options, Option 1 and 2 are correct.

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