All categories

3 years ago

Which relation is not a function

Mathematics

2 answers:

Oliga [24]3 years ago

6 0

D because there are two x-values that are the same

Sindrei [870]3 years ago

4 0

A function has only 1 y value for every x value, so it can have 1 y value used for 2 different x values, but not 2 y values for 1 x value
So D is not a function because it has the 2 y values for -3

You might be interested in

The Millers put carpet on the floor of their living room. They bought 160 square feet of carpet. If the length of the room is 16

Elina [12.6K]

Answer: 10 feet

Step-by-step explanation: the width is 10 feet because 160 divided by 16 is 10. Length x Width = Area so we have 16 x ? = 160. Reverse it so 160 divided by 16 is 10.

5 0

3 years ago

The following two-column proof with missing statements and reasons proves that if a line parallel to one side of a triangle also

alina1380 [7]

Answer: see #7 below

<u>Step-by-step explanation:</u>

$\begin{array}{lcl}\underline{\quad \text{ Statement}\quad }&&\underline{\quad \text{Reason}\quad}\\1.\ DE||AC&&1.\ Given\\2.\ AB\ is\ a\ transversal&&2.\ Conclusion\ from\ Statement\ 1\\3.\ &&3.\ \\4.\ \angle B=\angle B&&4.\ Reflexive\ Property\ of\ Equality\\5.\ &&5.\ \\6.\ \dfrac{BD}{BA}=\dfrac{BE}{BC}&&6.\ Converse\ of\ SSS\ Similarity\ Thm\\\end{array}$

7. ΔABC ≅ ΔDBC 7. SAS Similarity Theorem

A much easier way to prove these triangles are similar is to add either #3 or #5:

Statement Reason

3. ∠A ≡ ∠D 3. Corresponding Angles Postulate

5. ∠C ≡ ∠E 5. Corresponding Angles Postulate

to prove

7. ΔABC ≅ ΔDBC 7. AA Similarity Theorem

6 0

4 years ago

ikadub [295]

I believe that the answer is 7/4 or 6:1

7 0

3 years ago

Read 2 more answers

I need helpppppppppp

REY [17]

Answer:

Step-by-step explanation:

We know that it isn't a 90 degree angle so we do process of elimination, now we have 2 answers, just by looking at it is is probably 72. Hopefully you get it right.

6 0

3 years ago

Read 2 more answers

a grocery store sells 6 bottles of water for $4 and 18 bottles for $10. is the cost of the water proportional to the number sold

galina1969 [7]

No, because it is more money to buy the 10 for 18 than the 6 for 4.

8 0

4 years ago