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gizmo_the_mogwai [7]
3 years ago
10

Which table represents a function?

Mathematics
2 answers:
umka2103 [35]3 years ago
5 0

The answer is table A.

<h2>Further Explanation </h2>

The function in mathematical terms is the mapping of each member of a set (named as a domain) to another set of members (named as a codomain). This term has a different meaning from the same word that is used every day, such as "the tool works well." The concept of function is one of the basic concepts of mathematics and any quantitative science. The terms "function", "mapping", "map", "transformation" and "operator" are usually used synonymously.

In function, there are several important terms, including:

  • The domain is the area of ​​origin of the function f denoted by Df.
  • Codomain is the area where the f function area is denoted by Kf.
  • The range is the result area which is a subset of the codomain. The function range f is denoted by Rf.

PROPERTIES OF FUNCTIONS

1. INJECTIVE FUNCTION

Called one-on-one function. Suppose the function f represents A to B, then the function f is called a one-on-one function (injective), if each two different elements in A will be mapped to two different elements in B. Furthermore, it can be said briefly that f: A → B is injective function if a ≠ b results in f (a) ≠ f (b) or equivalent if f (a) = f (b) then the effect is a = b.

2. SURJECTIVE FUNCTION

Function f: A → B is called a function to or objective function if and only if for any b in the B domain can be at least one an in domain A so f (a) = b applies. In other words, a codomain of the objective function is the same as its range.

3. BIJECTIVE FUNCTION

A mapping off: A → B is such that f is both an injective and objective function at once, so it is said "f is a function of wisdom" or "A and B are in one-to-one correspondence".

TYPES OF FUNCTIONS

  1. LINEAR FUNCTION
  2. CONSTANT FUNCTIONS
  3. IDENTITY FUNCTION
  4. QUADRAT FUNCTION

Learn more

definition of The function brainly.com/question/7359850

PROPERTIES OF FUNCTIONS brainly.com/question/7359850

TYPES OF FUNCTIONS brainly.com/question/7359850

Details

Grade: High School

Subject: Mathematics

keywords: The function

12345 [234]3 years ago
4 0
Table A represents the function, because if you look at the other tables they are all relations as in order to be function we need to have one x- value coordinating to one y-value. but the other tables have multiple x-values corresponding to y values.
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3 years ago
What is the expression for f(x) when we rewrite <br> (5⁻⁴ˣ⁺⁷)÷(125x) as 5^f(x)
alexandr402 [8]

Answer: The answer is f(x) = -7x + 7.


Step-by-step explanation:  We are give a relation as follows :

5^{-4x+7}\div 125^x=5^{f(x)}.

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Here, we will be using the following properties of exponents :

(i)~\dfrac{a^x}{a^y}=a^{x-y}.\\\\(ii)~a^x=a^y~\Rightarrow x=y.

We have

5^{-4x+7}\div 125^x=5^{f(x)}\\\\\Rightarrow5^{-4x+7}\div 5^{3x}=5^{f(x)}\\\\\\\Rightarrow \dfrac{5^{-4x+7}}{5^{3x}}=5^{f(x)}\\\\\\\Rightarrow 5^{-4x+7-3x}=5^{f(x)}}\\\\\Rightarrow 5^{-7x+7}=5^{f(x)}\\\\\Rightarrow -7x+7=f(x).

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3 years ago
Find f(-2) if f(x)=x^4+2x^2-1
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Answer:

23

Step-by-step explanation:

f(x)=x^4+2x^2-1

Let x = -2

f(-2) = (-2)^4 +2(-2)^2 -1

       =16 +2*4-1

        =16+8-1

          24-1

            23

7 0
4 years ago
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