Create a set of at least 4 ordered pairs and tell whether or not the relation is a function. Why do you say so?

Answers

Answer 1

Answer: Okay if you want a function each set has a rule. So let's say f(x)=3x+4. Then just follow the rule and the result you get from following the rule will be your y coordinate. Let's try 1 for x. (3*1)+4 = 7. So one of the sets for this function would be (1,7). Now if you didn't want a function just grab ordered pairs that don't have a specific rule to them

Answer 2

Answer: $R=\{(1,2),(2,4),(3,6),(4,8),(5,10)\}$

The set is a function because each element x of each pair (x, y) has a single corresponding y.

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Write the following expression without negative exponents and without parentheses. 5x^-1

Answers

The written form of the expression without negative exponents and without parentheses is; 5/x.

What is the writing form of the expression without exponents and without parentheses?

It follows from the task content that the expression can be written without parentheses and without exponents as follows;

5x-¹

= 5 × (1/x)

= 5/x

Ultimately, the written form of the expression without negative exponents and without parentheses is; 5/x.

Answers

Answer:

t the statement is true .

Simplify: sqrt(200) - sqrt(32)

Answers

it would be 14- 8 which equals 6 so the answer would be 6

sqrt(200) - sqrt(32)--------------------------------sqrt(200) simplifies to ----> 10 root 2sqrt(32) simplifies to ----> 4 root 2sooo....(10 root 2) - (4 root 2) = 6 root 2

A van can travel 18 miles on each gallon of gasoline. At that rate, how many miles can the van travel on 15 gallons of gasoline? 33 miles 83 miles 120 miles 270 miles Mark this and return

Answers

Answer:

270 miles

Step-by-step explanation:

if 1 gallon = 18 miles

then 15 gallons = x miles

cross multiply

1 × x = 15×18miles

x = 270 miles

so it travels 270 miles on 15 gallons of gasoline

What is the equivalent fractions for 3/10?

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Answer:

6/20, 15/50, 9/30, 30/100, 12/40, 18/60....

Step-by-step explanation:

Its just multiplying the fraction by any whole number.

Make sure to do both the numerator and the denominator!

(hope this helps)

Please solve this equation below:I get this equation from my textbook and it says x = 0,45
Please write down full calculation for this equation. Thanks!

$(x-0,4)/(1-x) = (0,33-0,3)/(0,3)$ !

Answers

Put Xs value in: (.45-.4)/(1-.45) = (.33-.3)/(.3). (.05)/(.55) = (.03)/(.3). .090909091=.1 round it = .1=.1 :) hope this helps you

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