# 55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse

98,321 results
1. ## 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
2. ## Math

A function is created to represent the height above sea level of a mountain climber every hour. What restrictions would be made to the range? A-range includes all real numbers B-range includes positive integers C-range includes positive real numbers
3. ## 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

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
5. ## 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?
6. ## 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
7. ## 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
8. ## Math

Find the domain and range of the inverse f(x)=-4x-2 y=-4x-2 x=-4y-2 x+2/-4=-4y/-4 f(x)=x+2/-4 answer: domain (all real numbers) range (all real numbers)
9. ## 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-
10. ## 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
11. ## Math

Find the domain and range of the inverse f(x)=-4x-2 y=-4x-2 x=-4y-2 x+2/-4=-4y/-4 f(x)=x+2/-4 domain (all real numbers) range (all real numbers)
12. ## Math

Did I do this right? Find the domain and range f(x)=-4x-2 y=-4x-2 x=-4y-2 x+2/-4=-4y/-4 f(x)=x+2/-4 answer: domain (all real numbers) range (all real numbers)
13. ## Algebra (need help ASAP!!!!)

I didn't get how to do the problem. In my book it says to choose a variable and write an absolute value inequality that represents each set of numbers. Here are the problems I had-- all real numbers less than 2 units from 0 all real numbers less than 1
14. ## algebra

Can someone check my answers please and if Im wrong please explain. 1) graph 4x^2+4y^2=64. what are the domain and range? domain;all real numbers range;-4
15. ## 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
16. ## calculus

Find a rational function f : R → R with range f(R) = [-1, 1]. (Thus f(x) = P(x) /Q(x) for all x belongs R for suitable polynomials P and Q where Q has no real root). R(real numbers)

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
18. ## math

what is the range of the relation below? ((1,2)(3,4)(5,6)(7,8)) a)all real numbers b) all even numbers c)(2,4,6,8) d)(1,3,5,7) I am confused because I thought the range was the highest - the lowest number. so if it was the highest 8-1, the lowest, the
19. ## 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.
20. ## math

The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement?
21. ## 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...?
22. ## 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
23. ## 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
24. ## 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
25. ## 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
26. ## algebra

What are the vertex, axis of symmetry, maximum or minimum value, and range of y=-5(x+2)^2-8? please explain to me how you would solve this..I don't really understand. The answer is given.. The vertex is (-2, -8); the axis of symmetry is x= -2; k= -8 is the
27. ## 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
28. ## Discrete Math

Determine the domain and range of: y = 5 – [1/ (1 + x)] So, would the domain be all real numbers except -1? And would the range be all real numbers except zero? I'm really confused. . .
29. ## Algebra II

I have a question- The range of y = 1/(x-5) is All real Numbers True or False I think it is false because it should be all real numbers except y shouldn't equal 0. Is that correct or don't I understand it-Please explain if I'm wrong. Thanks
30. ## Algebra. Formalizing relations and functions

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/
31. ## 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
32. ## Algebra

Find all x-values such that f(x)=-4 x=__? What is the range? a)y|-oo
33. ## math

Nancy made the following statement: The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement? b = 0 a = 0 b < 0 a < 0 i think its a=0 please help
34. ## math

Nancy made the following statement: The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement?
35. ## algebra

Can someone check my answers on exploring conic sections? 1. Graph x2 + y2 = 9. What are its lines of symmetry? Every line through the center is a line of symmetry. The y-axis and the x-axis are lines of symmetry.( my choice) Every line through the center
36. ## Pre Cal.

State the doman and range of the relation y= Arc tan x Domain: All real numbers Range= -pi/2 < y < pi/2
37. ## 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
38. ## algebra

find five numbers with a mean of 16, a median of 15 a mode of 21 and a range of 11. hi Anna i hope this helps median is the middle number . mean is all the numbers added up then divided by the amount of numbers. mode is the number that occurs most often.
39. ## Finding Range - Maths

Let f:{x: IxI > 100} => R, f(x) = 1/x^2. State the range of f. Let f:{x: IxI < 0.1} => R, f(x) = 1/x^2. State the range of f. *R = real numbers How do you find the two ranges? I know it sounds embarrassing but I am struggling to work out the range. Can you
40. ## 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
41. ## Math

find f(-3) for f(x)= 3x-x^2 f(-3)=0 f(-3)=18 f(-3)=-18
42. ## 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
43. ## math

Identify the domain and range of the following: f(x) = 4-x^2, -5
44. ## 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
45. ## Pre-calculus

Can somebody help me wit this? Find the range and the domain of: f(x)=(1/2)|x-2| The domain is all real numbers (x) from -infinity to infinity The range (of f(x)) is 0 to infinity, since it can never be negative. f(x) has a minimum value of zero when x=2.
46. ## technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the
47. ## technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the
48. ## Technology

1. What function would you use to find the mean in a microsoft(R) excel document A. ROUND B. AVERAGE •• C. SUM D. HYPERLINK 2. What is the first thing you should do to find the mean and range of data? A. put the numbers in order from least to greatest
49. ## 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.
50. ## technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the
51. ## Education and technology

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the
52. ## 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
53. ## math

describe the solutions of 4
54. ## algebra

A research scientist measures the outside temperature, in degrees Fahrenheit, at various times throughout a 24-hour period and records her findings in the graph below. In this real-world function, the hours represent the input values, and the temperature
55. ## math check my answer ?

What is the range of f(x)=−3x−1? the set of real numbers less than 0 the set of real numbers greater than 0 the set of real numbers greater than −1 the set of real numbers less than −1
56. ## Math

Assume that f is a continuous function from the real numbers to the real numbers such that for all numbers x,y, and a it is true that f(x+y)=f(x) + f(y) and that f(ax)=af(x). Further assume that f(1) = pi. Find f'(-1). Please explain your reasoning. I am
57. ## 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.
58. ## algebra 2

what is the range of the function F(x)= -(x+2)^2+3 A. y
59. ## algebra ll

evaluate f(3/4) if f(x)= [1-2x]and identify the range of y=(x)-4 is either {y y > -4 or all are real numbers
60. ## math question

sheila made the following statement: the range of f(x) = ax + b is the set of all numbers given that a and b are real numbers. which produces a counter example to her statement? a=0 b=0 a
61. ## algebra 2

3. Identify the range of y=|x|-4 A. [x|x≥4] B. [y|y≥-4] C. [y|y≥0] D. all real numbers I'm confused about this question, any help???
62. ## Math

Please double check Real Numbers and Order |4| + |3| Answer: 7 |-9| - |4| Answer: 5 Adding Real Numbers 7+ (-9) + (-5) + 6 Answer: 17 |-27 + 14| Answer: 13 Subtracting Real Numbers –1/2 – (-5/8) Answer: 2 –3.4 – (-7.6) Answer: -4.2 –54 – 119

Let f(x) = 3x - 6 and g(x) = x - 2. Find f/g and its domain. A. 3; all real numbers B. 3; all real numbers except x = 2 C. -3; all real numbers except x = 3 D. 1; all real numbers B ?
64. ## Algebra2

4x^2+4y^2=64. what are the domain and range? my answer is domain;all real numbers range;-4
65. ## Math

An equation, f, has a domain of all whole numbers and has a range of all real numbers. Does the equation represent a function?
66. ## 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)
67. ## 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)
68. ## 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
69. ## Pre-calculus

I want to make sure this is right. the inverse of f(x)=(-3x+2)/(2x-1) I got f^-1(x)=(x-2)/(2x-3). if its right how do i check the answer to see if it is right. also would the domain of f be D=all real numbers except 1/2. And I do not know how to get the
70. ## Algebra

Need help with these: 12. Name the property: 8 + 3.4= 3.4 + 8 a. Inverse Property of Addition b. Associative Property of Addition c. Commutative Property of Addition d. Inverse Property of Multiplication I think the answer is C 16. The standard form for a
71. ## 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
72. ## Calculus

I'm doing graphs/domain/range of basic functions. I have three questions: How do I find the domain and range of a function? (more preferably range...I'm okay but shaky on domain) Ex: f(x)=1/(x^2) Also, how do you write the domain and range with notation?
73. ## programming

Problem 6.9 Lottery Number Generator A lottery commission offers four different lottery games to play: Three-number, Four-number, Five-number and Five-number + 1 lotteries. Each game has independent numbers. Develop an application that randomly picks
74. ## Math

Please double check me Dividing Real Numbers (-9)(5)/3 Answer: 15 4 – (-3) +1 / 2 –2 / (-2) Answer: 2 16 / (-2) * (-4) / 2 3power + 4 Answer: 6 Subtracting Real Numbers –1/2 – (-5/8) Answer: 2 –3.4 – (-7.6) Answer: -4.2 –54 – 119 Answer: 65
75. ## math

tan(2theta-34degrees)=squareroot3, theta range{real numbers of degrees}
76. ## 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.
77. ## 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
78. ## Algebra2

-3x^2+12y^=84 What are the domain and range My answer domain: all real numbers range: y (less than -) -sqrt7 or sqrt7
79. ## 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)
80. ## Math

1. Find the next number in the pattern. -1, 3, 7, 11 a. 16 b.77 c.15
81. ## Algebra

What is the difference between domain and range? Describe a real life situation that could be modeled by a function? I think I understand domain and range. Domain is the x axis and range is the y axis correct? I need help with applying it to real life.
82. ## math

Given that the range of a polynomial function is {y | y
83. ## math

Does anyone know how to explain mean, median, mode and range mean?? mean-the average of a group of numbers median-the number that is in the middle in an in order group of numbers mode-most common number in a group of numbers range- the difference or
84. ## college algebra

1. solve the following logarithmic equation log_8(x+8)+log_8(x+7)=2 what is the exact solution 2.se the rational theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers. f(x)=4x^4+5x^3+9x^2+10x+2
85. ## Precalc

To which set(s) of numbers does the number sqrt -16 belong? Select all that apply. real numbers complex numbers*** rational numbers imaginary numbers*** irrational numbers I can only pick two, and that's what I think it is. Please check? Thanks
86. ## rational zeros theorem

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=25x^4+26x^3+126x^2+130x+5 Find the real zeros x= Use the real zeros to factor f f(x)=
87. ## EXCEL 2010 (again)

I am not allowed to use the AutoSum or AVERAGE functions to work out this problem. I need to find the average of a cell range. C3:C9 contains numbers (one cell contains zeros) the range adds up to 230. To find the average I need to use the information
88. ## Elementary Math

Find the missing numbers and landmarks for the set of numbers: 48, 50, 51, 51, 57, 59, 60, 63, 69, ______ , 76, ______ . A Range: _____ B. Mode: __76__ C. Minimum: __48__ D. Maximum __76__ Help - we don’t understand this, or see a pattern. Range =
89. ## 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
90. ## Algebra 2

1. The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? 2. Find all pairs of real numbers (x,y) such that x + y = 6 and x^2 + y^2 = 28. If you find more than one pair, then list your pairs in order by increasing x value,
91. ## math

Need to find the real number. Someone performed a trade of 20,000 less than it made, this caused a negative trade balance. To represent the quanity as a real number when I know that a positive real number names the points to the right of 0 on the number
92. ## College algebra

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers f(x)=9x^4+28x^3+66x^2+196x+21 Find the real zeros of f Use the real zeros to factor f f(x)=
93. ## Maths

For this question, use the copy of the Random Number table provided at the end of this AAT. (This table was copied from page 111 in the Textbook.) Select 48 values according to the following criteria. o The first thirty (30) numbers must lie in the range
94. ## Math

Given f(x)= |x-1|/x^2-25 please determine the domain. Thank you! A. All real numbers except -5 and 5 B. All real numbers except -5,0 and 5 C. All real numbers except 0 D. All real numbers except 0 and 5
95. ## college algebra

use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^2-13x-22 find real zeros of f? use real zeros to factor f?
96. ## math

to which subsets of real numbers does the number -22 belong? choose all that apply a) whole numbers b) rational numbers c) integers d) irrational numbers e) natural numbers
97. ## Algebra2....

1.) Y=-lx+1l+3 Are these correct? y-intercept=(0,2) x-intercept=(4,0) (-2,0) vertex=(-1,3) domain=all real numbers range: y
98. ## math

how come in y=x^2, the range is all real numbers, y is greater than or equal to 0 or is it for x=y^2? in y=x^2 imagine any choice of x (the domain) you might make. No matter what x you choose, once you square it, it becomes positve. So y can never be a
99. ## Math

f(x)=x64-4x^2+k. Find the values of k so thath the zeros of f satisfy the specified charachteristics. a.four real zeros b.two real zeros, each of multiplicity of two c.two real zeros and two complex zeros d.four complez zeros a.I don't know if this range
100. ## 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.