Graph the function defined by f(x)=|-x+8|

Mathematics

1 answer:

densk [106]4 years ago

5 0

Answer:

Option 3.

Step-by-step explanation:

In this question we have to draw a graph f(x) = |-x+8|

Its a modified form of a graph f(x) = |-x| which starts from origin, having two perpendicular lines in quadrant 1 and 2.

Then f(x) = |-x| is shifted 8 units right on the x-a xis. therefore the modified form becomes f(x) = |-x+8| as shown in the option number 3.

Option 3 is the correct answer.

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dalvyx [7]

Answer: the fourth option; all the real values except x = 7 and the x for which f(x) = - 3

Explanation:

1) the composed function (g ° f) )x= is the application of the function g (x) to the function f(x), this is you first apply f(x) and then apply g(x): g [f(x) ]

2) So the domain is the set of values for which f(x) is defined and then those values of f(x) for which g(x) is defined.

3) The values of x for which f(x) is defined is all the real values except x = 7.

4) The values of f(x) for which g(x) is defined are all the values of f(x) except f(x) = - 3.

5) So, the domain of the composed function is all the real values except x = 7 and the x for which f(x) = - 3

6) Important remark: notice that there is an error in the statements listed, because saying that the domain is all the real values except x ≠ 7 and f(x) ≠ - 3 means that tha domain is only x = 7 and f(x) = - 3, when what they meant was that the composed function is not defined for x = 7 and f(x) = - 3 (this is a bad use of double negation which is a good expample of why double negation must be avoided).

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3 years ago

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If f(x) = 1 -x and g(x) = 1-X which is the rule of function (f-g)(x)?

jeyben [28]

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Step-by-step explanation:

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3 years ago

Which decimal is equal to 1/5: 0.1,0.2,0.3,0.4 or 0.5

Xelga [282]

0.2 is the correct answer. All you have to do is divide 1 by 5 to get 0.2