1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Serggg [28]
4 years ago
9

Which equation does not represent a function? Why? A) y = x2; There are two outputs for each input. B) y2 = 4x; There are two ou

tputs for each input. C) y = x; The output value is the same as the input value. D) y = −x; The output value is the opposite of the input value.
Mathematics
1 answer:
natita [175]4 years ago
3 0

Answer:

B) y² = 4x; There are two outputs for each input

Step-by-step explanation:

For an equation to be called a function, the input values for x must only result in a single output for y.

Based on this definition if a function, the functions y = x², y = -x and y = x are all functions because for any value of x imputed in them, we can only get one equivalent value of y.

The only exception is the function y²= 4x

For this function, for any value of x, there will be more than one output for y. Take x = 1 for example

y² = 4(1)

y² = 4

y = ±√4

y = ±2

This shows that y = 2 and -2

Also if x = 4

y² = 4(4)

y² = 16

y = ±√16

y = ±4

y = 4 and -4

No matter the value of x imputed, the output value y will always be two (a positive and a negative value)

Hence, option B is correct.

You might be interested in
If you were in a hot air balloon 500 m above the ground, at what angle of depression would you look at a point on the ground 800
liubo4ka [24]
Set up trig ratio using tangent.
Tan theta = opp/adj
Tan theta = 500/800
Tan^-1 (500/800) = 32 degrees
3 0
3 years ago
PLZZZZZZZZZ help its on the screenshot
Komok [63]

Answer:

the answer is 40%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the equation of the line
MrMuchimi
The answer is y=x-5.
7 0
3 years ago
Easy math problem plz Halp
yan [13]
The answer is 19.5

You add all the numbers to get 273 and divide by the amount of dots which is 14 to get 19.5
6 0
3 years ago
Read 2 more answers
Question is in the picture, please help me out!!
Grace [21]

The arithmetic sequences are as follow:

<h3>What is Arithmetic Sequence?</h3>

An arithmetic sequence in algebra is a sequence of numbers where the difference between every two consecutive terms is the same.

1) t(n) = 5n + 4

t(1) = 9, t(2) = 14, t(3) = 19

So,

9,14,19,...

d= 14-9 = 5

d= 19-14 =5

Hence, it is an AP

2) 1, 2, 4, 8 , 16

Hence, it is not an AP

3) 3, 6, 9 ,...

It is an AP

4)It is given that it is an AP

5) tn =  2*3^n

 t1= 6, t2= 18, t3= 54

So, 6, 18, 54,...

Hence, it is not an AP

6) 3 , 1, 1/3,...

It is not an AP

7) t(n+1)= 6*t(n)

t(1) = -1

t(2)=-6

t(3)= -36

Hence, it is not an AP

8) -3, 1, 5, 9

Hence, it is an AP.

9) 1, 4, 9,...

Hence, it not an AP

10) 2,1,0,1,2,...

It is not an AP

11) t(n)= -2n-5

t(1)= -7, t(2)= -9, t(3)= -11

Hence, it is an AP

12) tn= (1/2)^n

 t1= 1/2, t2= 1/4, t3= 1/8

It is not an AP

Learn more about AP here:

brainly.com/question/24873057

#SPJ1

6 0
2 years ago
Other questions:
  • The angle of elevation to the sun is 24°. What is the length of the shadow cast by a person 1.82 m tall? A. 0.81 m B. 1.99 m C.
    13·1 answer
  • Write a function called circle that takes a scalar input r. it needs to return an output called area that is the area of a circl
    12·1 answer
  • What type of equation is x^2 - 2x - 15 = 0 ? And how do you solve it? Please be as descriptive as you can! :)
    11·1 answer
  • The number “Pi” (∏) is often rounded to what number?
    10·2 answers
  • Pls help<br>a9= -101 a20= 75 an=? pls help me​
    8·1 answer
  • Out of the answers 6 -1 13 and 5 which is the answer for 1 + -5
    6·1 answer
  • 3x-1/5=x+1/3 solve for x
    6·1 answer
  • Juan deposited $450 in an account that earned 7.5% simple interest.
    5·2 answers
  • Estimate:<br> 19 + 17.77 =<br> 37<br> B<br> 31<br> 35<br> D<br> 41
    12·1 answer
  • The diagram shows a trapezium
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!