Trish Goal

Most popular questions and responses by Trish Goal
  1. Math

    When Frederick was born, his grandparents gave hima a gift of $2000, which was invested at a simple interest rate of 5% per year. How much money will Frederick have when he can collect the monet at the age of 18? ( Assume no money is added to the account

    asked on November 20, 2014
  2. Algebra

    The function f(x) satisfies f(sqrt(x+1))=1/x for all x>= -1, x does not = 0. Find f(2). Couldn't you just plug it in? sqrt(3) would be 1/sqrt 3? Thank you.

    asked on October 23, 2014
  3. Algebra

    Let a and b be real numbers, where a

    asked on November 9, 2014
  4. Algebra

    When Frederick was born, his grandparents gave hime a gift of $2000, which was invested at an interest rate of 5% per year, compounded yearly. How much money will Frederick have when he collects the money at the age of 18? gGive your answer to the nearest

    asked on November 19, 2014
  5. Algebra

    Find the greatest integer value of b for which the expression 9x^2+4x^2+11x+7/x^2+bx+8 has a domain for all real numbers? Thank you!

    asked on October 24, 2014
  6. Algebra

    Let p(x)=2x^3-113 and let q be the inverse of p. Find q(137). Please explain in steps. I posted this already but I did not list my steps. The first step would be to find the inverse of 2x^3-113 which would be: y=(x+113/2)^1/3. and then would I just plut in

    asked on November 3, 2014
  7. Algebra

    The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-5, f(2)=12, then what are the x-intercepts of the graph of f?

    asked on November 14, 2014
  8. Math/Algebra

    The graphs of y=3-x^2+x^3 and y=1+x^2+x^3 intersect in multiple points. Find the maximum difference between the y-coordinates of these intersection points.

    asked on November 6, 2014
  9. Algebra

    Find the greatest integer value of b for which the expression 9x^3+4x^2+11x+7/x^2+bx+8 has a domain for all real numbers. Thank you!

    asked on October 26, 2014
  10. Algebra

    I already posted this question, I just wanted to clarify my answer. Problem: When Frederick was born, his grandparents gave hime a gift of $2000, which was invested at an interest rate of 5% per year, compounded yearly. How much money will Frederick have

    asked on November 19, 2014
  11. Algebra

    Find all positive integer values of c such that the equation x^2-7x+c=0 only has roots that are real and rational.

    asked on November 12, 2014
  12. Algebra

    Define #N by the formula #N=.5(N)+1. Calculate #(#(#50)). Thank you!

    asked on November 2, 2014
  13. algebra

    Suppose a function f(x) has a domain of (-inf,inf) and range [-11,3]. If we define a new function g(x) by g(x)=f(6x) +1, then what is the range of g(x)? Express your answer in interval notation. Thank you!

    asked on October 27, 2014
  14. Math

    Sue can either borrow 10,000 dollars for 5 years with a simple interest of 7% annually or an interest which compounds annually for 6%. How much more money, rounded to the nearest dollar, would she have to pay back for the more expensive interest

    asked on November 21, 2014
  15. algebra

    Compute the domain of the real-valued function f(x)=sqrt(1-sqrt(2-x)). Thank you

    asked on October 24, 2014
  16. Algebra

    Find all complex numbers z such that z^2=2i. Write your solutions in form, separated by commas. So, "1+2i, 3-i" is an acceptable answer format, but "2i+1; -i+3" is not. Thank you!

    asked on October 23, 2014
  17. Math

    1. Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18. I know that y is the minimum value,I know x is -4. But, I am not sure how to find p. 2.The temperature of a point (x,y) in the plane is given by the expression x^2+ y^2 - 4x +

    asked on October 17, 2014
  18. Algebra Help please!

    I already posted this question,and Henrey answered it. I just wanted to clarify a few things to make sure I am on the right track Problem: Joanie takes a $6,000 loan to pay for her car. The annual interest reate on the loan is 12%. She makes no payments

    asked on November 21, 2014
  19. Algebra

    Part a: Let f(x)=x^4-3x^2+2 and g(x)=2x^4-6x^2+2x-1. Let a be a constant. What is the largest possible degree of f(x)+a*g(x)? Part b: Let x^4-3x^2+2 and g(x)=2x^4-6x^2+2x-1. Let b be a constant. What is the smallest possible degree of the polynomial f(x) +

    asked on November 13, 2014
  20. Algebra

    Find all points (x,y) that are 13 units away from the point (2,7) and that lie on the line x-2y=10.

    asked on November 6, 2014
  21. algebra

    Let x#y=x^2/y for all x and y such that y cannot equal 0. Find all values of a such that a#3=9. Thank you.

    asked on November 3, 2014
  22. algebra

    The function f(x) satisfies f(sqrt(x+1))=1/x for all x>= -1, x does not = 0. Find f(2)Thank you!

    asked on October 26, 2014
  23. Algebra

    Kimberly borrows 1000 dollars from Lucy,who charged interest of 5% per month ( which compounds monthly). What is the least integer number of months after which Kimberly will owe more than twice as much as she borrowed.

    asked on November 20, 2014
  24. Algebra

    Kimberly borrows 1000 dollars from Lucy,who charged interest of 5% per month ( which compounds monthly). What is the least integer number of months after which Kimberly will owe more than twice as much as she borrowed?

    asked on November 20, 2014
  25. Algebra

    I already posted this question and Reiny answered it, I just wanted to clarify my answer Problem: If f(x) is a polynomial of degree 4, and g(x) is a polynomial of degree 2, then what is the degree of polynomial f(x)-g(x)? Reiny: so f(x) has to contain an

    asked on November 12, 2014
  26. Algebra

    What are the coordinates of the points where f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect?

    asked on November 6, 2014
  27. Algebra

    Let p(x)=2x^3-113 and let q be the inverse of p. Find q(137). Please explain in steps. Thank you.

    asked on November 3, 2014
  28. Algebra

    My calculator is broken. The "+" key works correctly,but whenever I try to compute a-b, the calculator performs b-a instead. What answer does mny calculator compute for the expression ((7-10)+3)-5? Thank you!

    asked on November 2, 2014
  29. Algebr

    The values of a function f(x) are given in the table below: x=1, f(x)=3 x=2, f(x)=13 x=3. f(x)=8 x=5,f(x)=1 x=8,f(x)=0 x=13, f(x)=5 If f^-1 exists, what is f^-1((f^-1(5)+f^-1(13))/ f^-1(1))? I am not quite sure how to do this.

    asked on November 4, 2014
  30. Algebra

    Suppose that f(x)=4x+5. What is f^-1(f^-(9))? I am pretty sure we can plug in 9 for f(x) which gives us the value of 1. But then we have one more f^-1 but the inverse of 1 is -1. So would the answer be one?

    asked on November 3, 2014
  31. Algebra

    Let f(x)=x^2-2x. Find all real numbers x such that f(x)=f(f(x)). Thank you.

    asked on November 3, 2014
  32. Algebra

    The inverse of f(x)=2x-1/x+5 may be writeen in the form f^-1(x)=ax+b/cx+d where a,b,c, and d are real numbers. Find a/c. Thank you!

    asked on November 2, 2014
  33. Algebra

    Define #N by the formula #N=.5(N)+1. Calculate #(#(#50)).

    asked on November 2, 2014
  34. Algebra

    If P(x)=4+2sqrt(x+2) and G(x)=4-3X, then what is the largest constant such that P(G(a)) is defined? Thank you!

    asked on November 1, 2014
  35. Algebra

    Let f(x)-3x-7/x+1. Find the range of f. Give your answer as an interval. Please enter your response in interval notation. I figured out the domain, ( -inf,-1) and (-1, inf) .

    asked on October 26, 2014
  36. Algebra

    Let f(x)-3x-7/x+1. Fidnd the range of f. Give your answer as an interval. Please enter your response in interval notation. I figured out the range, ( -inf,-1) and (-1, inf) Thank you.

    asked on October 23, 2014
  37. Basic Computer Science

    This was the assignment: If the first parameter is less than the second parameter add the two and print the result 10 times. THIS PROGRAM IS IN JAVA. I did everything but I can't figure out how to print the result as a loop 10 times. public static void

    asked on July 4, 2015
  38. Algebra

    When the product (3x+2y+1)(x+4y+5) is expanded, what is the sum of the coefficients of the terms which contain a nonzero power of y? I got 3x^2+14xy+16x+8y^2+14y+5 would the answer be 36?

    asked on November 13, 2014
  39. Algebra

    I already posted this question,Steve answered it. I just wanted to clarify my answer. Problem:Find h(x) with terms in order of decreasing degree, if 9x^3-3x+1+h(x)=3x^2-5x+3. Steve: h(x) = (3x^2-5x+3)-(9x^3-3x+1) so, just subtract tghe coefficients of like

    asked on November 13, 2014
  40. Algebra

    Assume that f(3)=4. Name a point that must be on the graph of y=f(x)+4

    asked on November 9, 2014
  41. Algebra

    What are the coordinates of the points where the graphs of f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect? Give your answer as a list of points separated by semicolons. (So "(1,-3); (2,3); (5,-7)" is a valid answer format.)

    asked on November 7, 2014
  42. Algebra

    Let f(x)=px+q, where p and q are real numbers. Find p+q if f(f(f(x)))=8x+21. Thank you. I got this p^3 +p^2q + pq + q = 29 Would you try to solve that? if yes, then how?

    asked on November 4, 2014
  43. Algebra

    The function f(x,y) accepts an ordered pair as input and gives another ordered pair as output. It is defined according to the following rules: If x>4, f(x,y)=(x-4,y). If x4, f(x,y)=(x,y-4). Otherwise, f(x,y)=(x+5,y+6). A robot starts by moving to the point

    asked on November 3, 2014
  44. Algebra

    Find all complex numbers such that z^2=2i. Thank you!

    asked on October 26, 2014
  45. algebra

    Let A(t)3-2t^2+4^t. Find A(2)-A(1)Thank you!

    asked on October 26, 2014
  46. 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!

    asked on October 26, 2014
  47. 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)?

    asked on October 26, 2014
  48. 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!

    asked on October 26, 2014
  49. algebra

    Find the smallest integer x where the expression srt(x-2)/x^2+x-6 is defined. I factored the denominator (x+3)(x-2) and the smallest value is 2 so the whole expression would have a value of 0. But, that is not the right answer. Thank you!

    asked on October 23, 2014
  50. Algebra

    What is the minimum possible value for y=x^2+12x+5? I am not sure where to even start. Thank you!

    asked on October 22, 2014
  51. Algebra 2

    What is the minimum possible value for y=x^2+12x+5? I am not sure where to start.

    asked on October 22, 2014
  52. Math

    Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18? I know x=-4 but I do not know that helps us. Please explain in steps! The temperature of a point (x,y) in the plane is given by the expression x^2-y^2-4x+2y. What is the temperature of

    asked on October 19, 2014
  53. Computer Science

    I posted this question before. The assignment was: write a Java method if the first parameter is less than the second parameter add the two and print the result ten times. How do I write the result 10 times as a loop? This is what I've got but I have a ton

    asked on July 4, 2015
  54. Basic Computer Science

    Write a method in Java that takes two parameters. If the first parameter is equal to the second parameter multiply both and print the result. Thanks.

    asked on July 3, 2015
  55. Algebra

    Find the leading coefficeint in the polynomial -3(x^4-x^3+x)+7(x^4+2)-4(2x^4+2x^2+1) after it is simplified. I got this -3x^4+3x^2-3x+7x^4+14-8x^4-8x^2-4 and I simplified it to -4x^4-5x^2+10 so what would the leading coeffiecient be -4?

    asked on November 14, 2014
  56. Algebra

    What is the coefficient of x^3 when 24x^4+6x^3+4x^2-7x-5 is multiplied by 6x^3+3x^2+3x+4 and the like terms are combined? I got 144x^7+108x^6+90x^5+114x^4+24x^3 so the answer would be 24. But I am not sure if I am right.

    asked on November 13, 2014
  57. Algebra

    Suppose that f is a polynomial such that (x^2-1)*f(x)=5x^6-x^5+3x^4+x^3-25x^2+38x-17. What is the degree of?

    asked on November 12, 2014
  58. Algebra

    Consider the polynomials: F(x)= 4x^3 + 3x^2 + 2x +1 G(x)= 3 - 4x + 5x^2 - 6x^3 Find c such that the polynomial f(x)+cg(x) has degree 2.

    asked on November 12, 2014
  59. Algebra

    What are the coordinates of the points where f(x) =x^3-x^2+x+1 And g(x)=x^3+x^2+x-1 intersect?

    asked on November 9, 2014
  60. Algebra

    Assume that f(3)=4. Name a point that must be on the graph of y=1/2f(x/2).

    asked on November 9, 2014
  61. Algebra/Math

    The graphs of a function f(x)=3x+b and its inverse function f^-1(x) intersect at the point (-3,a). Given that b and a are both integers, what is the value of a?

    asked on November 6, 2014
  62. Algebra

    The function f(x,y) accepts an ordered pair as input and gives another ordered pair as output. It is defined according to the following rules: If x>4, f(x,y)=(x-4,y). If x4, f(x,y)=(x,y-4). Otherwise, f(x,y)=(x+5,y+6). A robot starts by moving to the point

    asked on November 4, 2014
  63. Algebra

    Given the functions f(x)=x+5/3 and g(x)=1/f^-1(x)+1, find the value of g(3). The first step would first be to find the inverse of x+1, the denominator of the fraction. I think the inverse would be 1-x. And now we have 1/1-x so we can just plu in 3. Right?

    asked on November 4, 2014
  64. Algebra

    If h(y)=1+y/2-y, then what is the value of h^-1(5)? Express your answer in simpilest form. The first step would be to find the inverse of the 1+y/2-y which would be 2y-xy I think, and then would we plug in 5 for x or y?

    asked on November 3, 2014
  65. Algebra

    The values of a function f(x) are given in the table: x=1, f(x)=3 x=2. f(x)=1 x=3. f(x)=5 x=4, f(x)=4 x=5, f(x)=2 If f^-1 exists, then what is f^-1(f^-1(f^-1(1)))? I am not quite sure what this question is asking. I know it is asking to find the inverse 3

    asked on November 3, 2014
  66. Algebra

    Given the function f(x)=3x^3+2, find the value of x so that f^-1(x)=4. Thank you. I tried to solve for the inverse by susbsituting y in for x so: x=3y^3+2 and then I subtracted 2 so x-2=3y^3 and I am stuck here, do I just cube root the whole thing? If so,

    asked on November 3, 2014
  67. Algebra

    Let f(x)=1/ax+b where and b are non zero constants. Find all solutions to f^-1(x)=0. Express your answer in terms of a and/or b. Thank you.

    asked on November 3, 2014
  68. Algebra

    Define f(x)=3x-8. If f^-1 is the inverse of f, find the value (s) of x for which f(x)=f^-1(x). Thank you!

    asked on November 3, 2014
  69. Algebra

    The inverse of f(x)=2x-1/x+5 may be writeen in the form f^-1(x)=ax+b/cx+d where a,b,c, and d are real numbers. Find a/c. Thank you!

    asked on November 2, 2014
  70. algebra

    Consider the f(x)=srt(x+1/x-1) and g(x)= sqrt(x+1)/sqrt(x-1). Explain why f and g are not the same function. Thank you!

    asked on October 27, 2014
  71. algebra

    Let f be a function such that f(x+y)=x+f(y) for any two real numbers x and y. If f(0)=2, then what is f(2012)? Thank you!

    asked on October 27, 2014
  72. Algebra

    what is the domain of the function u(x)=1/sqrt(x)? Thank you!

    asked on October 26, 2014
  73. Algebra

    What is the range of the function f(x)=1/1-x? Express your answer in interval notation. Thank you!

    asked on October 26, 2014
  74. 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!

    asked on October 24, 2014
  75. algebra

    What is the range of the function r(x)-1/(1-x)^2? Express your answer in interval notation. Thank you!

    asked on October 23, 2014
  76. Algebra

    Let f be a function such that f(x+y)=x+f(y) for any two real numbers x and y. If f(0)=2, then what is f(2012)? Thank you!

    asked on October 23, 2014
  77. Algebra

    There are three real numbers x that are not in the domain of f(x)=1/ 1+ (1+1/x). What is the sum of those three numbers. 0 is one of them,I don't know the other ones.Thank you!

    asked on October 23, 2014
  78. Computer Science

    This was the assignment: If the first parameter is less than the second parameter add the two and print the result 10 times. THIS PROGRAM IS IN JAVA. I did everything but I can't figure out how to print the result as a loop 10 times. public static void

    asked on July 4, 2015
  79. Algebra

    Solve for x, when (2^(x+1))^3*4^x=8192

    asked on November 20, 2014
  80. Algebra

    Is 2000(1+0.05)^18=4183.24?

    asked on November 20, 2014
  81. Algebra

    Solve for x, when (2^(x+1)^3)*4^x=8192.

    asked on November 19, 2014
  82. Algebra

    Given that 2^x+2^x+2^x+2^x=512, what is the value of x? I think it simpliflies to 2^4x=512. and 2^9=512 but to get 9 you have to mulitply something to 4, but its 2.25 is that right?

    asked on November 19, 2014
  83. Algebra

    Solve for x: (1/25)^x+2=125^-x

    asked on November 19, 2014
  84. Algebra: Steve

    I already asked this question,I just wanted to clarify the answer. Problem: The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-5, f(2)=12, then what are the x-intercepts of the graph of f? Steve: clearly, f(0) = 0 so, f(x) = ax^3+bx^2+cx =

    asked on November 15, 2014
  85. Algebra

    There is a polynomial which, when multiplied by x^2+2x+3, gives 2x^5+3x^4+8x^3+8x^2+18x+9. What is the polynomial?

    asked on November 14, 2014
  86. Algebra

    Find t if the expansion of the product of x^3-4x^2+2x-5 and x^2+tx-7 has no x^2 term.

    asked on November 14, 2014
  87. Algebra

    Suppose f is a polynomial such that f(0)=47, f(1)=32,f(2)=-13, and f(3)=16. what is the sum of the coefficients of f?

    asked on November 14, 2014
  88. Algebra

    Let f(x)=4x^7+x^5+3x^2-2x+c. For what value of c is f(-1)=0?

    asked on November 13, 2014
  89. Algebra

    Find h(x) with terms in order of decreasing degree, if 9x^3-3x+1+h(x)=3x^2-5x+3.

    asked on November 13, 2014
  90. Algebra

    If p(x)=x^4-3x+2, then find the coefficient of the x^3 term in the polynomial (p(x))^3.

    asked on November 12, 2014
  91. Algebra

    If f(x) is a polynomial of degree 4, and g(x) is a polynomial of degree 2, then what is the degree of polynomial f(x)-g(x)?

    asked on November 12, 2014
  92. Algebra

    Let f,g, and h be polynomials such that h(x)=f(x)*g(x). If the constant term of f(x) is -4 and the constant term of h(x) is 3, what is g(0)?

    asked on November 12, 2014
  93. Algebra

    Let a and b be real numbers, where a

    asked on November 7, 2014
  94. Algebra

    Let a and b be real numbers, where a

    asked on November 6, 2014
  95. Algebra

    What are the coordinates of the points where f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect?

    asked on November 6, 2014
  96. Math

    How many square units are in the area of the triangle whose vertices are the x and y intercepts of the cuure y=(x-3)^2(x+2)?

    asked on November 6, 2014
  97. Algebra

    Given that f(x) is a function such that f(1)=2, f(4)=3, f(7)=4, and f^-1(x) is the inverse of f(x), what is f^-1(f^-1(3))? I am really getting confused with the two F^-1. Please help. Thank you.

    asked on November 3, 2014
  98. Algebra

    If f(x)=x^5-1/3, find f^-1(-31/96). I think the first step would be to find the inverse of -31/96, but I am not sure how to find that :). Then I could make x^5-1/3= the inverse of -31/96.

    asked on November 3, 2014
  99. Algebra

    Let f(x)=px+q, where p and q are real numbers. Find p+q if f(f(f(x)))=8x+21. Thank you.

    asked on November 3, 2014
  100. Algebra

    Let f(x)=2x+7 and g(x)=3x+c. Find c if (f#g)(x)=(g#f)(x) for all x. Thank you.

    asked on November 3, 2014

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