# x and y independent exponential r.v with respctive parameters 2 and 3. find the cdf and density of z = x/y

91,991 results
1. ## stats

x and y independent exponential r.v with respctive parameters 2 and 3. find the cdf and density of z = x/y.

asked by ripa on November 8, 2006
2. ## probability

For each one of the following figures, identify if it is a valid CDF. The value of the CDF at points of discontinuity is indicated with a small solid circle. (original images belonging to: "The science of uncertainty") 1. No, it is not a valid CDF 2. Yes,

asked by RVE on February 28, 2015
3. ## Probability

Consider an RV X with the following density given parameters α and γ . f (x) = {(1/γ)e^(-(x-α)/γ) if x>α {0 if x ≤ α. a. Find E[X]. b. Find V[X]. c. If α = 4, γ = 2, ﬁnd P (X > 8). d. Find P (X < α + 3γ ). e. Find the cdf for X , F (x).

asked by Molly on October 10, 2011
4. ## math, probability

13. Exercise: Convergence in probability: a) Suppose that Xn is an exponential random variable with parameter lambda = n. Does the sequence {Xn} converge in probability? b) Suppose that Xn is an exponential random variable with parameter lambda = 1/n. Does

asked by diogenes on August 13, 2019
5. ## probability

1) Let X and Y be independent continuous random variables that are uniformly distributed on (0,1) . Let H=(X+2)Y . Find the probability P(lnH≥z) where z is a given number that satisfies e^z

asked by anonymous1 on August 5, 2019
6. ## probability

Let 𝑋 and 𝑌 be independent continuous random variables that are uniformly distributed on (0,1) . Let 𝐻=(𝑋+2)𝑌 . Find the probability 𝐏(ln𝐻≥𝑧) where 𝑧 is a given number that satisfies 𝑒^𝑧

asked by yyyyz on July 28, 2019
7. ## Calculus

Suppose X is a random variable whose CDF is given by F(x) = 0, X

asked by kkjhjkh on April 14, 2009
8. ## probability

Let X and Y be independent continuous random variables that are uniformly distributed on (0,1). Let H=(X+2)Y. Find the probability P(lnH≥z) where z is a given number that satisfies ez

asked by Diane Lin on August 5, 2019
9. ## math

How do you solve system of equations and tell if they're consistant and independant,consistant and dependent,and inconsistant? If you find no solutions then the system is inconsistent. Suppose you have N variables and M equations (N larger than or equal to

10. ## Statistics

2. Given the cumulative distribution function (cdf) F(x)=(0 x

asked by Mike on October 27, 2014
11. ## probability

Problem 2. Continuous Random Variables 2 points possible (graded, results hidden) Let 𝑋 and 𝑌 be independent continuous random variables that are uniformly distributed on (0,1) . Let 𝐻=(𝑋+2)𝑌 . Find the probability 𝐏(ln𝐻≥𝑧) where

asked by peter on August 5, 2019
12. ## probability

Consider three lightbulbs each of which has a lifetime that is an independent exponential random variable with parameter λ=1. The variance of the time until all three burn out is: = Recall that the variance of an exponential with parameter λ is 1/λ2.

asked by Chris on November 27, 2018
13. ## Writing

I am trying to find out what are parameters of persuasive writing. I tried to goggle it and all I got was links to essays that people wrote. I do not want essays, I want parameters. Please help point me in the write direction.

asked by Lost on November 1, 2009
14. ## Probability

Suppose that we have three engines, which we turn on at time 0. Each engine will eventually fail, and we model each engine's lifetime as exponentially distributed with parameter λ. The lifetimes of different engines are independent. One of the engines

asked by Anonymous on December 3, 2018

true or false questions: a)The derivatives of the reciprocal trigonometric functions can be found using the chain rule and their related base functions. b) A sinusoidal function can be differentiated only if the independent variable is measured in radians.

asked by Tina on October 31, 2014
16. ## math

Let X and Y be two independent, exponentially distributed random variables with parameters ,lambda and mu, respectively. 1.Find P(X

asked by Moreg on November 19, 2018
17. ## Exponential Growth and Decay

Can somebody please check my answers? 1. Identify the initial amount a and the growth factor b in the exponential function. g(x)=14*2^x a)a=14, b=x b)a=14, b=2

asked by Sage on February 16, 2016
18. ## Math

A random variable Y has the following CDF ; Fy(y)= 0 x

asked by Ozan on April 19, 2014
19. ## math

need to linearize r=u(1-exp(s/k))*c where some combination of r, s, and c is the independent variable, s or c is the dependent variable, and u and k must be involved in the parameters of the linearization

asked by Ryan on October 12, 2008
20. ## Algebra

f) Suppose you started with 100 bacteria, but they still grew by the same growth factor. Explain how your exponential equation in (b) would change. y=1*3x**** b) is Bacteria name: Staphylococcus aureus Generation Time: 30 minutes *Note: The generation time

asked by BUBBLES on May 20, 2016
21. ## Precalc

Are exponential equations the same as exponential functions? I am writing a summary of this year's Pre-Calculus lessons and one of the topics on the outline is "Exponential Equations", but on the lesson Power Points on my teacher's website there is only

asked by Lie-ma Been on June 15, 2014
22. ## Lin. Alegra Help

Suppose that you are given the following system of linear equations [variables are x1, x2, x3 and x4] x1 + 3x2 + 9x3 + 2x4 =5 x1 + 3x3 - 4x4 =5 x2 + 2x3 + 3x4 =-1 -2x1 + 3x2 + 5x4 =-1 Let b be the vector such that B = [A b] , and let a1, a2, a3 and a4 be

asked by V. on May 16, 2007
23. ## Algebra

Two different businesses model their profits over 15 years, where x is the year, f(x) is the profits of a garden shop, and g(x) is the profits of a construction materials business. Use the data to determine which function is exponential, and use the table

asked by Harmony on September 24, 2019
24. ## Algebra

Two different businesses model their profits over 15 years, where x is the year, f(x) is the profits of a garden shop, and g(x) is the profits of a construction materials business. Use the data to determine which function is exponential, and use the table

asked by Harmony on September 24, 2019
25. ## Statistics

Hi * Suppose X has the pdf f(x)=(1/2)e^-|x| if -∞

asked by Melike on January 10, 2014
26. ## statistics

Suppose that 2,000 scientists compute 90% confidence intervals for parameters they are interested in. How many of these intervals would we expect to successfully capture their parameters

asked by Erika on February 29, 2012
27. ## stats

Suppose that f(x) = 1:5x2 for -1 < x < 1 (0 elsewhere). Determine the following probabilities: (a) P(X > 0) (b) P(X > 0:5) (c) P(-0.5 < X x) = 0.05 (g) Find the cdf of X. could someone just get me started , I don't know where to start! thanks

asked by sara on October 8, 2014
28. ## English

1.(The hikers walked) until they were exhausted. 2.Has John met the family (who moved in next door)? 3.Gerry needs the book (that is on the shelf). Identify the word group in () and tell if independent clause or not an independent clause. 1.Independent

asked by Tracy on November 30, 2010

This is a reply to the question posted here http://www.jiskha.com/display.cgi?id=1178989522 As I explained there, you can find the parameters by defining: x1 = Sin(0.49 t) x2 = Cos(0.49 t) and treat this as an ordinary linear regression problem. If we

asked by Count Iblis on May 13, 2007
30. ## Probability

Determine whether each of the following statements about events A,B,C is always true or not. 1. Suppose that A,B and C are independent events; then A^c (A complement) and B U C^c are independent. (T/F) 2. From now on, we do not assume that A,B,C are

asked by stud81 on October 3, 2018
31. ## Differential Equations

solve using variation of parameters: y"+36y=[csc(6t)]^2 I don't understand variation of parameters very well at all.

asked by Rosy on April 24, 2012
32. ## am I right ? or no?

Which equations represent exponential growth? Which equations represent exponential decay? Drag the choices into the boxes to complete the table. Exponential Growth: y=4000(1.0825)^t ,y=12,000(0.72)^t , y=8000(0.97)^t , Exponential Decay: y=1700(1.25)^t ,

asked by Anon on January 4, 2017
33. ## Statistics

hii. I have a question about pdf and cdf.. I couldn't solve it Please help me :/ 1) the pdf of the random var. X is given by f(x)= (3/8)(x+1)^2 if -1

asked by Melike on January 10, 2014
34. ## Chemisrt

What is pre-exponential factor for diffusion, because i have a problem with this equation. D=D0*exp[-Ea/R*T] where D=2*10^-13 Ea=2.9*10^-19 joules/atom T=1009 K How to find the pre-exponential ?

asked by Musaka on July 27, 2014
35. ## Algebra

(1 pt) The function f relates state variables f:S↦Q according to an exponential function f(x)=Abx. For each state, give the corresponding equation involving the parameters A and b. (S,Q)=(−3,30) implies ______=______ (S,Q)=(1,13) implies

asked by Terrance on September 11, 2016
36. ## algebra

In 1998, the population of a given country was 37 million, and the exponential growth rate was 5% per year. Find the exponential growth function

asked by Sallie on September 7, 2010
37. ## probability

When you enter the bank, you find that there are only two tellers, both busy serving other customers, and that there are no other customers in queue. Assume that the service times for you and for each of the customers being served are independent

asked by Chris on November 27, 2018
38. ## Calculus

Find the exponential curve through (7, 10) and (9, 250). Recall that an exponential curve is one given by the equation y = A * bx (i.e. is the set of all points (x,A * bx).

asked by Preston on September 14, 2010
39. ## Calculus

Find the exponential curve through (7; 10) and (9; 250). Recall that an exponential curve is one given by the equation y = A ¢ bx (i.e. is the set of all points (x;A ¢ bx).

asked by Preston on September 14, 2010
40. ## Probability

For each of the following statements, determine whether it is true (meaning, always true) or false (meaning, not always true). Here, we assume all random variables are discrete, and that all expectations are well-defined and finite. Let X and Y be two

asked by qwerty on March 4, 2014
41. ## probability theory

Let X, Y, Z, be independent discrete random variables. Let A= X(Y+Z) and B= XY With A, B, X, defined as before, determine wheter the folllowing statements are true or false. 1. A and B are independent 2. A and B are conditionally independent, given X = 0.

asked by P on October 7, 2018
42. ## Algebra

Describe how an exponential function changes as the base increases. What is an "exponential function" and how would I find the answer? Thank you! :-)

asked by Cassie on March 30, 2009
43. ## Algebra 1- Exponential Growth & Decay

How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. My Answer: I have only been able to think of one example of exponential growth which is hair growth. From

asked by Anonymous on February 5, 2018
44. ## Probability

Let X,Y,Z be three independent (i.e. mutually independent) random variables, each uniformly distributed on the interval [0,1]. 1. Find the mean and variance of 1/(Z+1). E[1/(Z+1)]= var(1/(Z+1))= 2. Find the mean of XY/(Z+1). Hint: Use your answer to the

asked by Anonymous on December 20, 2018
45. ## Probability

1.Let 𝑋 and 𝑌 be two binomial random variables: a.If 𝑋 and 𝑌 are independent, then 𝑋+𝑌 is also a binomial random variable b.If 𝑋 and 𝑌 have the same parameters, 𝑛 and 𝑝 , then 𝑋+𝑌 is a binomial random variable c.If 𝑋

asked by Raven on February 23, 2020
46. ## probablity

Let X,Y,Z be independent discrete random variables with E[X]=2, E[Y]=0, E[Z]=0, E[X^2]=20, E[Y^2]=E[Y^2]=16, and Var(X)=Var(Y)=Var(Z)= 16. Let A=X(Y+Z) and B=XY. 1.Find E[B]. 2.Find Var(B). 3.Find E[AB]. 4. are A and B independent? 5.Are A and B are

asked by Anonymous on October 6, 2018
47. ## probablity

Let be independent discrete random variables with E[X]=2, E[Y]=0, E[Z]=0, E[X^2]=20, E[Y^2]=E[Y^2]=16, and Var(X)=Var(Y)=Var(Z)= 16. Let A=X(Y+Z) and B=XY. 1.Find E[B]. 2.Find Var(B). 3.Find E[AB]. 4. are A and B independent? 5.Are A and B are

asked by Divine on October 6, 2018
48. ## Maths

The weight of a termite mound (y) in kilograms is measured each month (x) after it was first found. The mound after 1 month is found to be 2 kilograms and after 3 months it is measured at 18 kilograms. It is believed that the model connecting the weight of

asked by TP on April 14, 2008
49. ## Math

1. Find the angle between the vectors, approximate your answer to the nearest tenth. v= (-4, -3) w= (2, 6) Answer: 145.3 degrees 17. One type of data that is non linear in nature is the exponential function. -False? 19. Exponential data follows the

asked by mysterychicken on June 19, 2013
50. ## Math

Let f(t) be an exponential function with f(0) = 11 and f(4) = 59. Use the form f(t) = Pa^t to find an equation for this exponential function? What is the Value of P and A? Thanks!

asked by Andy on February 12, 2012
51. ## Probability

For each of the following statements about events A,B, and C defined on a common sample space, determine whether it is true or false. 1. Suppose that A,B , and C are pairwise independent. Then, A∩C is independent of B . 2. Suppose that A,B, and C are

asked by Anonymous on June 14, 2019
52. ## math

im not sure what a exponential growth pattern is and I need to find a pattern, than describe it http://www.answers.com/topic/exponential-growth

asked by jason on April 23, 2007
53. ## world geography

most countries of south pacific region: A)came independent in the 1700s b)came independent in the 1800s C)came independent in the 1900s D)**have yet to achieve independence

asked by henry on October 6, 2009
54. ## Algebra

If W1,w2,w3 are independent vectors, show that the sums V1=W2+W3, V2=W1+W3 and V3=W1+W2 are independent . (Write C1V1+C2V2+C3V3=0 in terms of the W¡¦s. Find and solve equation for the C¡¦s)

asked by traxx on October 27, 2010
55. ## math

find an exponential function of the form P(t)yoe^kt to model the given; In 1995, the number of female athletes participating in Summer Olympics-Type Games was 550. In 1996, about 3550 participated in the summer olympics in ATlanta. Assuming that P(0)= 500

asked by anonymous on March 26, 2011
56. ## Maths: Probability Distrubution

Consider an arrival process whose interarrival times are independent exponential random variables with mean 2 (and consequently variance equal to 4), and consider the inter arrival interval IS seen by an observer who arrives at a fixed time t*, What is the

asked by Fin on December 3, 2018
57. ## Probability

A,B, and C defined on a common sample space, determine whether it is true or false. 1. Suppose that A,B , and C are pairwise independent. Then, A∩C is independent of B . 2. Suppose that A,B, and C are pairwise independent. Then, A,B, and C are

asked by Kina on June 15, 2019
58. ## probability

Consider an arrival process whose interarrival times are independent exponential random variables with mean 2 (and consequently variance equal to 4), and consider the interarrival interval S seen by an observer who arrives at a fixed time t∗, as in the

asked by David on November 27, 2018
59. ## math - algebra

f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

asked by alexis on November 1, 2011
60. ## math - algebra

f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

asked by Alexis on November 1, 2011
61. ## math - algebra

f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

asked by Alexis on November 1, 2011
62. ## Probability

three fair dice are tossed. Let X,Y,Z denote the respetive numbers showing on their top faces. Assume X,Y,Z are independent. a) find P(X

asked by Danny on November 18, 2007
63. ## English

5. You can always go back to your old ways AFTER YOU HAVE BEEN HIRED. A) independent B) subordinate*** 6. IF YOUR WRITING SLANTS TO THE RIGHT, you are probably friendly & open. A) independent B) subordinate*** 7. If your writing slants to the left, YOU

asked by Honors Courses ONLY Mel❤nie on October 5, 2019
64. ## Math

State whether the equation y=10^3x represents a linear, quadratic, or exponential function. Tell how you decided. I think it is exponential

asked by Lyndse on December 11, 2009
65. ## Algebra

Construct exponential functiom of points (0,200) and (6,380). The exponential function is y(x)=____

asked by DidAQuestionSimiliarBefore on October 12, 2016
66. ## Math

State whether the equation y=10^3x represents a linear, quadratic, or exponential function. Tell how you decided. I think it is exponential, is this correct

asked by Chris on November 2, 2009
67. ## stats

you are given the probabilities listed below P(A)= 0.25, P(B) = 0.30, P(C)=0.55, P(A&C) = 0.05, P(B&C)=0, P(B/A)=0.48. A) ARE A AND B INDEPENDENT? B) FIND P(A&B) C) FIND P(A OR B) D) FIND P(A/B) E) ARE B AND C MUTUALLY EXCLUSIVE EVENTS? F) ARE B AND C

asked by Anonymous on March 6, 2011
68. ## Math

Under ideal​ conditions, a population of rabbits has an exponential growth rate of 11.8​% per day. Consider an initial population of 300 rabbits. Find the exponential growth function.

asked by Sarah on December 6, 2016
69. ## functions (easy explanation)

I have a very quick question about exponential functions. I know how to use them and apply them but I don't know how to explain why they are always positive. Does anyone know why? An example of an exponential function would be 5 to the power of x. Thank

asked by gzag on April 10, 2014
70. ## probability

When you enter your bank, you find that there are only two tellers, both busy serving other customers, and that there are no other customers in line. Assume that the service times for you and for each of the customers being served are independent

asked by Brian on November 26, 2018
71. ## Stats

In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is dependent (y). Indicate in each case which variable is independent and which variable is dependent. I. Rainfall; Crop yield II. Taxi

asked by Jen on October 19, 2011
72. ## Mathematics

. The three consecutive terms of an exponential sequence (G.P) are the second, third and sixth terms of a linear sequence (A.P). Find the common ratio of the exponential sequence.

asked by Emmanuel on May 5, 2016
73. ## Math

a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a

asked by D on March 11, 2018
74. ## statistics

for the following data calculate the sampling distribution parameters where, µ=120 ó=unknown,s=18,n=36, how can we find E[M] and SE[M]

asked by joshy on July 22, 2012
75. ## College Algebra

Graph the exponential function. f(x)=4^x Clear All Draw: Exponential.

asked by Keonn'a on November 18, 2017
76. ## Math

Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. Thank You.

asked by Deborah on January 20, 2013
77. ## Math209

I am in a college level math class and we have a question that I am suppose to answer however I looked for this in our text and online and I am not finding a direct answer to it. Here is my question, What is the meaning of the word "parameters"? Please

asked by Trish on March 25, 2009
78. ## horizontal asymptote

Find the horizontal asymptotes of the function's graph y = 200 / (1+10e^(0.5x)) If you let x --> minus infinty the exponential tends to zero and the function approaches 200. If x --> infinity then the exponential becomes infinite and therefore the limit is

asked by Jen on November 9, 2006
79. ## math

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.

asked by Sara! on May 17, 2010
80. ## plz check my math ._.

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.

asked by Sara! on May 17, 2010
81. ## math

independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.

asked by Sara! on May 17, 2010
82. ## Math Functions

Write two equations to represent the same exponential function with a y-intercept of 5 and an asymptote at y=3 . Investigate whether other exponential functions have the same properties. Use the transformations to explain your observations.

asked by Jacob on July 26, 2015
83. ## environmental science

Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic growth curve and explain how these might apply to human population growth. What promotes exponential growth? What constrains

asked by len on November 2, 2011
84. ## Math

Find the probability of the independent event. If P (E) = 0.9, P (F ∣ E) = 0.36, and E and F are independent, find P (F)

asked by Ted on February 20, 2016
85. ## Math

Find the probability of the independent event. If P (E) = 0.9, P (F ∣ E) = 0.36, and E and F are independent, find P (F).

asked by Greg on February 20, 2016
86. ## Probability

Consider three random variables X, Y, and Z, associated with the same experiment. The random variable X is geometric with parameter p∈(0,1). If X is even, then Y and Z are equal to zero. If X is odd, (Y,Z) is uniformly distributed on the set

asked by qwerty on March 10, 2015
87. ## probability

The lifetimes of batteries are independent exponential random variables, each having parameter λ. A flashlight needs 4 batteries to work. If one has a flashlight and a stockpile of n batteries, what is the expected time that the flashlight can operate?

asked by al on November 22, 2014
88. ## math

18. Exponential growth follows the formula y= a(1+r)^x and exponential decay follows the formula y= a (1-r)^x. False? 23. In controlled experiments, the researcher is able to find a casual relationship between the variables- True 27. The explanatory and

asked by mysterychicken on June 19, 2013
89. ## Statistics-Probability

Consider a binomial random variable X with parameters(4,1/2). Find the conditional probability mass function of X given that X is odd

asked by sand on January 25, 2012
90. ## Math

In exercises 1 and 2, use the following information. You randomly draw letter tiles from a bag containing the letters from the word PROBABILITIES. 1. You randomly select a B. You replace it. Then you choose a T. Tell whether the events are independent or

asked by Sabina on May 25, 2009
91. ## Algebra

Solve y= 2x+ 3 and y= 4x+3 I came up with the answers (0,3) using both substitution and elimination methods. What is the "independent" variable and "dependent" variable? What would be a "real world situation" including independent and independent

asked by J. J. on May 15, 2016
92. ## ENGL

These three questions I am having difficulty in solving. Can you help me here. Question 1 - a) Whenever children in the United States turn on the tv, B) they are more likely to encounter violence on the screen. A is an independent clause. A is a dependent

asked by David on March 3, 2011
93. ## Math

How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay.

asked by Leppy on February 14, 2018

How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay.

asked by SAMHAM on February 12, 2013
95. ## sdu

. A man finds that two things cause him to wake up at night-noise or indigestion. If it is due to noise, the time to fall asleep again has exponential distribution with rate 5 per hour, and if it is due to indigestion the time to fall asleep again has

asked by Anonymous on April 21, 2012
96. ## probability & statistics

Q: if A and B are independent events, how many of the following statements must be true? 1. A' and B are independent 2. A and B' are independent 3. A' and B' are independent is choice 3 the only one that is true?

asked by Anonymous on June 13, 2012

Model the data using an exponential function f(x) = Ab^x. x ,0 ,1 ,2 f(x) ,800 ,480 ,288 Like 800-480=320 and 480-288=192 How do I find the exponential form? Thank you.

asked by Angel on February 22, 2012
98. ## strength of materials

Bar BC in the figure has length L, constant cross sectional area A, and is composed of a homogeneous material with modulus E. The bar is fixed between walls at B (x=0) and C (x = L). The bar is subjected to a variable distributed load per unit length,

asked by ashwni on July 17, 2016
99. ## Physics

Bar BC in the figure has length L, constant cross sectional area A, and is composed of a homogeneous material with modulus E. The bar is fixed between walls at B (x=0) and C (x = L). The bar is subjected to a variable distributed load per unit length,

asked by skrillex on July 17, 2016
100. ## Algebra

Which of the following statements is the best description of exponential decay? A. Exponential behavior occurs when a function increases at a rate of increasing value. B. Exponential behavior occurs when a function increases at a rate of decreasing value.

asked by Emma on June 27, 2014