A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range equals [0,1] C.Give n

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  1. Algebra plz help

    1.Identify the domain and range of the following relation. {(3,7),(3,8),(3,-2),(3,4),(3,1)} A.Domain:{3} Range:{-2,1,4,7,8}**** B.Domain:{-2,1,4,7,8} Range:{3} C.Domain:{all real numbers} Range:{all real numbers} D.Domain:O/ Range:O/ 2.Determain whether

  2. alebra

    Let f(x)=2x^2+x-3 and g(x)=x-1. Perform the indicated operation then find the domain. (f*g)(x) a.2x^3-x^2-4x+3; domain:all real numbers b.2x^3+x^2-3x; domain: all real numbers c.2x^3+x^2+4x-3; domain: negative real numbers d.2x^3+x-3x+3; domain: positive

  3. Algebra

    1.Identify the domain and range of the following relation. {(3,7),(3,8),(3,-2),(3,4),(3,1)} A.Domain:{3} Range:{-2,1,4,7,8}**** B.Domain:{-2,1,4,7,8} Range:{3} C.Domain:{all real numbers} Range:{all real numbers} D.Domain:O/ Range:O/ 2.Determain whether

  4. Pre-Calculus

    A rectangle is bounded by the x-axis and the semicircle y = √36 – x2, as shown in the figure below. Write the area A of the rectangle as a function of x, and determine the domain of the area function. A = all real numbers except x = 36 all real numbers

  5. Math

    Which set of best describes the numbers used on a scale for a standard thermometer? A.whole numbers B.rational numbers C.real numbers D.integers I choose Real Numbers if I am incorrect can you explain why.

  6. Calculus, check my answers, please! 3

    Did I get these practice questions right? 1. Suppose that f is an even function whose domain is the set of all real numbers. Then which of the following can we claim to be true? ***The function f has an inverse f –1 that is even. The function f has an

  7. Algebra 2

    A function is created to represent the amount of money in your checking account. What restrictions would be made to the domain? -The domain would include all real numbers.* -The domain would only include positive integers. -The domain would only include

  8. Math

    The twice–differentiable function f is defined for all real numbers and satisfies the following conditions: f(0)=3 f′(0)=5 f″(0)=7 a)The function g is given by g(x)=e^ax+f(x) for all real numbers, where a is a constant. Find g ′(0) and g ″(0) in

  9. MATH HELP

    A school puts on a play. The play costs $1,200 in expenses. The students charge $4.00 for tickets. There will be one performance of the play in an auditorium that seats 500 people. What is the domain of the function that shows the profit as a function of

  10. Algebra 2

    3. Identify the vertex and the axis of symmetry of the graph of the function y = 3(x + 2)2 – 3. (1 point) A- vertex: (2, –3); axis of symmetry: x = 2 B- vertex: (–2, –3); axis of symmetry: x = –2 C- vertex: (2, 3); axis of symmetry: x = 2 D-

  11. math

    1. Provide two examples of a function: (1) as a table of values and (2) as a graph. Explain the definition of a function. Be sure to include mathematical vocabulary in your response. 2. In a paragraph, explain what the domain and range is for the function

  12. URGENT ALGEBRA 2

    identify the vertex and the axis of symmetry of the graph for the function y=3(x+2)^2 a.vertex(2,-3 axis of symmetry x=2 b.vertex(-2,-3) axis of symmetry x=-2 c.vertex(2,3) axis of symmetry x=2 d.vertex(-2,3) axis of symmetry x=-2 identify the maximum or

  13. Pre-Calculus/Trigonometry

    Help Me, Please Here is a table of values for y = f(x). x: 0, 5, 10, 15, 20, 25, 30, 35, 40 f(x): 5, 6, 7,8, 9, 10, 11, 12, 13 Mark the statements that are true. A. f(5) = 6 B. The domain for f(x) is the set {5, 6, 7, 8, 10, 11, 12, 13}. C. The range for

  14. math

    The function ​f(x)​ is the number of feet below the surface of the water a diver is at x seconds. After 14 s, the diver reached the maximum distance of 22 ft below the surface of the water. The diver stayed in the water for 20 minutes. What is the

  15. Math Algebra 1111

    If the domain of a function F is the set of all real numbers and the domain of a function G is the set of all real numbers, under what circumstances do (F+G)(x) and (F/G)(x) have different domains? Whenever G(x) = 0 then the domains would differ. For

  16. Algebra

    57. Find the domain of: y= 5 _____ 2x+24 a. all real numbers except 12 b. all real numbers except 0.08 c. all real numbers except -0.08 d. all real numbers except -12 I still don't get how to do these, and this one looks even more complicated than the

  17. Math

    The function b(h) models the percent of a certain wildflower that blooms during months in which the average daily sunlight is h hours. Name the most appropriate domain for this function. A. Integers, h ≤ 24 B. Integers, 0 ≤ h ≤ 24 C. Real numbers, 0

  18. Calculus

    Explain, using the theorems, why the function is continuous at every number in its domain. F(x)= 2x^2-x-3 / x^2 +9 A) F(x) is a polynomial, so it is continuous at every number in its domain. B) F(x) is a rational function, so it is continuous at every

  19. MATH

    A continuous function, f, has domain all real numbers. If f(-1) = 5 and f(1) = -5, explain why f must have at least one zero in the interval [-1, 1].

  20. College algebra

    If the domain and range of a function consists of real numbers, then you can graph it by plotting all ordered pairs (x, f(x)). Remember "y" = f(x). How can you tell by looking at a graph if it represents a function?

  21. 11th grade maths

    A.give an example of a function whose domain is {3,4,7,9}? and whose range is {-1,0,3} B.Find two different functions whose domain is {3,8}and whose range is {-4,1} C Explain why there does not exist a function whose domain is {-1,0,3} and whose range is

  22. Math

    What is the domain and range fro the expentiral function f(x)=-2x4^x-1+3? Domain:all real numbers Range:all real numbers less than 3 Domain:all real numbers Range:all real numbers greater than 3 Domain: all real numbers greater than-2 Range: all real

  23. math

    Find all numbers that are not in the domain of the function. Then give the domain using set notation? F(x)=________17over xSquare+4x-12

  24. Algebra 2

    A function is created to represent the costs of living per person in the family. What restrictions would be made to the domain? A-domain includes positive integers B- domain includes positive numbers C-domain includes all real numbers D- domain includes

  25. Algebra-domain

    I had to find the domain of a function, and my answer is that x is all real numbers except -5 and 6. How do I write that in interval notation?

  26. Maths(please check urgently

    Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range

  27. math 116

    What is the difference between domain and range? The domain of a function is the set of all values for the independent variable (in the following example, that's the x) for which the function is defined. That is, if you have a function such as f(x) = 1/x

  28. Calculus

    Describe the Domain of the Function: F(x)= 2x/(x-2)(x-1) The domain of the function consists of all real numbers x except ____?

  29. algebra

    the equation is f(x) = (1/sq. root of 1-x^2) 1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are in the domain of f 4. All positive real numbers are in the domain of f 5. 1 is in the domain of f 6. f(x) is never negative 7.

  30. Algebra :P... again

    Hi! Sorry.. but 1 more question? Direction: Find the domain of the function. Problem: y = - 1 0 / 1 1 - x [A] All real numbers except x= -11 [B] All real numbers except x= 0 [C] All real numbers except x= 10 [D] All real numbers except x= 11 Also.... if

  31. PRE-CALC

    Determine the domain of the following function: f(x)=sqrt x-7/x^2-5x-6 I think the domain is [7,all real numbers) Can you please tell me if this is correct?

  32. Algabra

    THe domain of the function y=X2+3 is the set of all real numbers. What is the range of the function? The minimum x^2 is zero, so the minimum y is 3 So the range is from 3 to inf. 2+2= x+6/2x

  33. Math

    Find the domain and range for y=x^2+9. Wouldn't the domain and range just be all real numbers since nothing else is really given in the equation? How would you enter "all real numbers" in interval notation? Would it include the infinity sign?

  34. Math

    If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand

  35. Pre-Calculus

    Which of the following statements best describes the domain of the functions sine and arcsin? A)Sine domain is all real numbers; Arcsin domain is all real numbers. B)Sine domain is restricted; Arcsin domain is all real numbers. C)Sine domain is all real

  36. Math(Urgent)

    Find the domain of the function. h(x)= 10 over x^2 - 2x I think the answer is all real numbers except 2 but I do not know if it is right!

  37. Algebra

    1. In the formula S=a1(1−r), what restrictions are placed on the variable r? 2. The formula A=12bh can also be expressed as A=bh2. Do you agree? 3. If x and y are real numbers, and xy=0, then either x=0 or y=0. Do you agree? 4. Do the inequalities xlogx?

  38. math

    Consider the following: h={(1,2),(2,4),(3,6),(-1,-2),(-2,-4)}. a) Explain why h: ℤ --> ℤ does not describe h correctly. This does not describe the function h correctly because the range of the function h seems to be finite or limited to the set of even

  39. Math

    State two types of functions that you know that do not have a maximum or a minimum when the domain is the set of all real numbers.

  40. Math

    Consider the following: h={(1,2),(2,4),(3,6),(-1,-2),(-2,-4)}. a) Explain why h: ℤ --> ℤ does not describe h correctly. I think this is probably because the range of the function h is finite or limited which means that we can't account for all possible

  41. Algebra

    Suppose f(x)=-x^2+1, and the domain of the funtion is the real numbers. Give an example fo a number that is nto in the range of f.

  42. algebra

    An equation, f, has a domain of all whole numbers and has a range of all real numbers. Does the equation represent a function? Explain why or why not.

  43. 11th grade mths

    Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range

  44. Maths

    A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range equals [0,1] C.Give n example of a function whose is the

  45. Function Notation

    Ive been shown that a function can be written like so f:X->Y,f(x)=rule where X is the Domain and Y, the co-domain. Firstly, what is the co-domain? Ive tried looking it up but all I get is "the set of which y values fall in". If that is the case, say for

  46. Sequence and series

    Do you know the difference between a sequence and a series? Graph the terms of an arithmetic series. Remember the domain is the set of natural numbers, not the set of real numbers. What type function do you see? Graph the terms of a geometric series.

  47. Algebra 1-- Please, check my answers!

    1. What is ((-12x^6 + x)) / ((-4x^2))? A: 3x^4 - 1/4x 2. What is the greatest common factor of the terms of the polynomial 6x^3 - 18x^2 + 12x + 3? A: 3? 3. Which is a solution to n/n+2 = -8/n? a. -4 b. -2 c. 2 d. 4 A: a? 4. Which of the following is

  48. algebra

    Find the domain and range of the function. 1. f(x)= x^2-x I got: Domain= All Real Numbers Range= All Real Numbers > -1 (with a line under the greater than sign) 2. f(x)= 1-x^2 I got: Domain= All Real Numbers Range= All Real Numbers < 1 (with a line under

  49. Algebra2

    Give the domain of the function. 1. g(x)= 5/ x^2 -25 = all real numbers 2.f(t)= 3t^2+5t+2 = Negative 3. h(x)= squareRoot of ; 5x-2 = All real numbers

  50. Algebra 2

    Give the domain of the function. g(x)= x^3-1 I think the domain is all real numbers. Am I wrong? If so why?

  51. algebra

    Find the domain and range of the relation and determine whether it is a function? Answers are Domain x>1 range y>0yes it is a function Domain all real numbers,range all real numbers yes it is a function Domain positive integers, range positive integers no

  52. Algebra

    The vertex of a parabola is at (-2,4), and the x-intercepts are at -6 and 2. Determine the domain and range of the function. a. D: all real numbers R: all real numbers b. D: all real numbers R: y ≤ 4 c. D: -6 ≤ x ≤ 2 R: y ≤ 4 d. D: x ≤ 4 R: all

  53. algebra

    f(x)=v^2+13/v^2-4v-32 Find all numbers that are not in the domain of the function. Then give the domain in set notation.

  54. Math

    For nth root functions, I know that if "n" is even, then the domain must be equal or greater than zero. If "n" is odd, then domain will be all set of real numbers. But how do I determine the range of an n-th root function?

  55. Math

    Could anyone, please, help me solve this? Let f be a function with the domain the set of all real numbers except 0 and 1 ,that satifies the equation : 2xf(x) - f[(x-1)/x] = 20 Find f(5/4)

  56. algebra

    give a counter example to show that each statement is false, the domain of each variable is the set of real numbers..... number 1 said 1. if a2=b2, then a=b idk how yo do it??

  57. Algebra 2 Could use help asap

    I really am trying to work these problems out on my own. Please help If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2-x-6 x is all real

  58. Math

    Write the equation of a function with the following requirements: A domain of all real numbers over 3, a range of all real numbers, an x-intercept of (5,0), and a vertical asymptote at x = 3.

  59. Algebra

    The function 5x^2+2x-1's domain is all real numbers, according to the answer key. However, I don't know how to factor this to prove it. Could you show me? The function the sq. root of y-10 has a domain of all numbers so that y is greater than or equal to

  60. Algebra

    I've learned that the difference between domain and range is.....domain is the set of possible X values and range is the set of possible Y values. also, a domain is the values that a function maps "from" and the range is the values that a function maps

  61. math

    Consider the following 6 relations on the set of real numbers: A) y=2x−5, B) x2+y2=1, C) x=20−2y, D) y=10−x2−−−−−−√, E) y=2x2−3x+4 and F) y=|x| How many of these relations define y as a function of x in the domain −10≤x≤10?

  62. algebra

    Explain the domain and range of a function. Under what circumstances would the domain be something other than all real numbers? Provide an example.

  63. math

    Find the domain and range for y=x^2+9. Is the answer all real numbers? How would you enter that in interval notation? From Googling the definition of real numbers, I now understand that the infinity sign would not be included. For a continuous function you

  64. Algebra

    23. The ___ axis represents the independent variable. X? 21. Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above

  65. Algebra II

    Given no other restrictions, what are the domain and range of the following function? f(x)=x^2-2x+2 A. D= all real numbers R={y|y>=1} B. R=all real numbers D={x|x>=1} I think it is A...?

  66. Algebra

    22. State the domain of the function y=3x+2 a. D: Real numbers b. D: x not equal to 0 c. D: x < 0 A? 23. State the range of the function y=2x^2 a. R: y greater than or equal to 0 b. R: x not equal to 0 c. R: y < 0 I'm not sure? 24. Is y=sqrt2x a function?

  67. precalculus

    suppose the only information you know about a function f is that the domain of f? is the set of real numbers and that f f(1)=1,f(2)=4,f(3)=9,f(4)=16what can you say about the value of ,f(5). Hint the answer to this problem is not 25 the shortest correct

  68. Algebra

    Determine whether each correspondence is a function: 1. Domain: A set of numbers , Correspondence: The area of a triangle , Range: A set of triangles 2. Domain: The set of US senators, Correspondence: The state that a senate represents , Range: The set of

  69. Algebra II

    Give an example of a Rational Function that is undefined at x=a where a is a Real Number. Next, state the domain of your Rational Function using both Set Notation and Interval Notation

  70. algebra can someone help my buddy ray out

    identify the vertex and the axis of symmetry of the graph for the function y=3(x+2)^2 a.vertex(2,-3 axis of symmetry x=2 b.vertex(-2,-3) axis of symmetry x=-2 c.vertex(2,3) axis of symmetry x=2 d.vertex(-2,3) axis of symmetry x=-2 identify the maximum or

  71. domain

    Find the domains of f and f' 1, f(x) = xe^x 2. f(x) = x^(3/5) 3. f(x) = x/(x-2) TIA 1) R 2) It's the interfal from zero to infinity for f but for f' it is this inteval with zero excluded, because unlike f, f' is singular at zero. 3) Here only the point 2

  72. math

    the equation is f(x) = (1/sq. root of 1-x^2) 1. f(x) is never zero. 2. 0 is in the domain of f 3. All negative real numbers are in the domain of f 4. All positive real numbers are in the domain of f 5. 1 is in the domain of f 6. f(x) is never negative 7.

  73. Pre-Cal

    Give the domain of the function and identify any vertical or horizontal asymptotes. h(x) = 1 / x - 3 + 1 I had x = 0 and y = 3. Would the domain be all numbers except 1?

  74. Pre-Cal(Please help)

    Give the domain of the function and identify any vertical or horizontal asymptotes. h(x) = 1 / x - 3 + 1 I had x = 0 and y = 3. Would the domain be all numbers except 1?

  75. Pre-Cal

    Give the domain of the function and identify any vertical or horizontal asymptotes. h(x) = 1 / (x - 3) + 1 I had x = 0 and y = 3. Would the domain be all numbers except 1?

  76. Algebra

    Can an equation that has a domain of all whole numbers and have a range of all real numbers be a function?

  77. sorry left out a "x"

    If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g)

  78. Algebra 2

    If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g)

  79. Math Question--dont understand

    Restrict the domain to the set of natural numbers. Mark the dots points on the graph which represent the function on the restricted domain. I don't understand how to do this.

  80. Math

    A continuous function f has domain of all real numbers. If f(-1) = 5 and f(1) = -5, explain why function f must have at least one zero in the interval [-1, 1]

  81. Algebra

    How many real numbers are not in the domain of the function f(x)=(1/x-64)+(1/x^2-64)+(1/x^3-64)? Thank you!

  82. Algebra

    How many real numbers are not in the domain of the function f(x)=(1/x-64)+(1/x^2-64)+(1/x^3-64)? Thank you!

  83. algebra

    How many real numbers are not in the domain of the function f(x)=(1/x-64)+(1/x^2-64)+(1/x^3-64)?

  84. math

    find the domain of the composite function fog. f(x)=x/x-2;g(x)=-8/x a. domain of fog is {x/?} b. the domain of fog is all real numbers

  85. Algebra 2

    A package of paper towels contains 3 rolls. Each package of paper towels costs $2.79. A function of f(x) is written to represent the cost of purchasing. What is the practical domain for the function? All whole numbers All positive All whole numbers that

  86. Algebra

    What is the smallest integer value of c such that the function f(x)=x^2+1/x^2-x+c has a domain of all real numbers? Thank you!

  87. Math please check my answer?

    This is my last question. What is the domain of the function below? f(x)= e^(x-4)-2 I got all real numbers is that correct?

  88. Algebra

    Give the domain and range. y=(x+)^2-7 answer: y=(x+4)(x=4)-7 y=(x^2+8x+16)-7 y=x^2+8x+9 The domain and range equal all real numbers.

  89. Math

    Consider the following: h={(1,2),(2,4),(3,6),(-1,-2),(-2,-4)}. a) Explain why h: ℤ --> ℤ does not describe h correctly. This does not describe the function h correctly because the range of the function h seems to be finite or limited to the set of even

  90. College Algebra

    Here is the whole question... I have figured most of it out but I need help with part (b)(f) and (g)... Maybe you also check the work I have already done Given the following function, find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e)

  91. Math

    Come up with an expression for a function f such that the domain of f is all real numbers, lim (f(x) = 3) as x approaches 2 and f(2) = 3.

  92. MATH

    A continuous function, f, has domain all real numbers. If f(-1) = 5 and f(1) = -5, explain why f must have at least one zero in the interval [-1, 1].

  93. algebra

    can someone help me find the domain and range of the function f(x)=3(x-3)^2-1 I think the domain is all real numbers but I'm not sure about the range

  94. Algebra

    A package of paper towels contains 3 rolls. Each package of paper towels costs $2.79.​ A function, f(x), is written to represent the cost of purchasing x packages of paper towels. What is the practical domain for the function f(x)? these are the options

  95. Algebra

    A package of paper towels contains 3 rolls. Each package of paper towels costs $2.79.​ A function, f(x), is written to represent the cost of purchasing x packages of paper towels. What is the practical domain for the function f(x)? these are the options

  96. Algebra

    13. Find the domain of y=2x+1 Bobpursley said: The domain of x is not restricted by that equation. Does that mean the domain is all real numbers?

  97. math

    Identify the domain and range of the following: f(x) = 4-x^2, -5

  98. algebra 2

    x2 + 2x – 10/ 3x – 15 Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero. Find the domain for each of your two rational expressions. Write the domain of each rational expression in set notation (as

  99. Algebra ll

    X^2 - 25/2 AND 37/K^2-K-30 I really need help with these two problems.? •Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero. •Find the domain for each of your two rational expressions. •Write the

  100. algebra 2

    16t^2 – 1/64 Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero. Find the domain for each of your two rational expressions. Write the domain of each rational expression in set notation (as demonstrated

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