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ValentinkaMS [17]
4 years ago
11

{(1,3),(2,5)(3,-4),(4-3),(5,1)} a function or not a function

Mathematics
1 answer:
Karolina [17]4 years ago
6 0

Answer:

yes the above is a function.

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. Which category(s) does 75% belong? I. Real II. Whole III.Rational IV. Integer V. Irrational VI. Natural *
Aliun [14]

Answer: B.) 1 and 111 only

Real, rational

Step-by-step explanation: Real is an encompassing terms when defining numbers as it includes all integers, whole, rational and irrational numbers. Therefore 75% belondmgs to a category of real numbers.

75% which is equivalent to 75/100 is a rational number as it can be written in the form p/q . where both p and q are integers and q is not 0. This also means 75% is not an irrational number.

75% = 0.75 is neither a whole number nor an integer as it contains decimal.

75% is not a natural number as natural numbers are counting numbers starting from 1.

6 0
4 years ago
Which property of polynomial addition says that the sum of two polynomials is always a polynomial
Rudiy27
The property of polynomial addtion that says that the sum of two polinomials is alwasy a polynomial is called closure property of addition or under addtition.

Polynomials are closed under addtiion because when you add polynomials the letters and their exponents do no change, you just add the coefficients of the like terms (those with same letters raised to the same exponents), so the result will be other polinomyal of the same kind, except for the terms that cancel (positve with negative) which does not change the fact that the result is still a poynomial.

In mathematics the closure property means that the result of an operation over a kind of "number" will result in a "number" of the same kind.
5 0
3 years ago
the number of women at a training workshop was two less than three times the number of men if 50 people attended the workshop ho
Anton [14]
Answer: 148

Work: 50 men multiplied by 3 =150
If there is two less women from 3 multiplied by 50 (150) , then 150 - 2 = 148
6 0
3 years ago
Solve for x. 3x2−10=−5<br><br><br><br> x=±√5/3<br><br> x=±√15/3<br><br> x=±√5/9<br><br> x=±√15/9
Morgarella [4.7K]

HI there i know this is way later than you needed it but I though i would give you the correct answer which is B x=±√15/3 i also have proof from an old test that my answer is right.

8 0
3 years ago
Read 2 more answers
If
vitfil [10]

Answer:

x =  \frac{1}{e}

Step-by-step explanation:

f(x) = {(lnx)}^{2}

f1st(x) =  \frac{2 lnx }{x}  = 0

x   <  1 \:  \:  f1 < 0 \:  \: de creasing

f2nd(x) =  \frac{2 - 2 lnx}{ {x}^{2} }  = 0

x  <  e \:  \: f2 > 0 \:  \: concave \: up

So x<1 is the condition which contains x=1/e

8 0
2 years ago
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