Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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 Algebra: Functions, Domain, NOT graphing Solvers Lessons Answers archive Quiz In Depth

 Question 474003: Rewrite the following in the form Ax+By=C 1.) y =4x+9 2.) y =4/7x-5/7 3.) y =3(x-4)+5 4.) y = 2/5(x-5)+10 5.) y = 7x-5+4(x-1)/2 Click here to see answer by ewatrrr(10682)
 Question 474003: Rewrite the following in the form Ax+By=C 1.) y =4x+9 2.) y =4/7x-5/7 3.) y =3(x-4)+5 4.) y = 2/5(x-5)+10 5.) y = 7x-5+4(x-1)/2 Click here to see answer by MathLover1(6800)

 Question 474320: what type of functions are these : y=-7 vw=-18 v=1/3bh n/m=1.5 here are the answer choices : direct variation joint variation inverse variation step function constant Click here to see answer by stanbon(57940)

 Question 474319: what type of function is : y=-7 vw=-18 v=1/3bh and n/m=1.5 Click here to see answer by stanbon(57940)

 Question 474324: are both n/m=1.5 and v=1/3bh a direct variation ? because a solution can go for one question . Click here to see answer by stanbon(57940)

 Question 474526: what is the domain of (x,y):y= x(x+3)/ (x+4)(-7)= Click here to see answer by sofiyac(695)

 Question 474570: y= 2x+4 is a Linear equations for example shows a straight line when grouped. Example f(x)=X(2) +6 Find (-5), and (4) Click here to see answer by sofiyac(695)

 Question 474597: Let f(x)= x^2+5x+3 and g(x)=x+2 find (fog)(x) (gof)(x) (fog)(2) and (gof)(-2) Click here to see answer by Tatiana_Stebko(1326)

 Question 474617: Which of the following is a function whose domain and range are all real numbers? A) f(x) = x/x - 3 B) f(x) = 2x - 9/3 C) f(x) = 5x + 2/3x - 11 Click here to see answer by Tatiana_Stebko(1326)

 Question 474620: What are the asymptotes of the graph of y = 3/2x - 6 + 5 ? A) x = 3, y = 3 B) x = -3, y = -5 C) x = 3, y = 5 D) x = 3, y = -5 Click here to see answer by Tatiana_Stebko(1326)

 Question 474618: What are the asymptotes of the graph of y = 2/x + 18 - 7 ? A) x = 18, y = 2 B) x = -18, y = -7 C) x = -18, y = 7 D) x = -7, y = -18 Click here to see answer by ewatrrr(10682)

 Question 474667: What is the range of the function y = 8/x2+2? Click here to see answer by stanbon(57940)

 Question 474646: What is the range of the function y = 8/x^2+2? Click here to see answer by MathLover1(6800)

 Question 474616: Which of the following is a function whose domain and range are all nonzero real numbers? A) f(x) = 6/2x + 3 B) f(x) = x - 1/x + 5 C) f(x) = 4x - 7/x D) f(x) = x/2x - 8 E) None of these Click here to see answer by MathLover1(6800)

 Question 474982: Please solve the: a. f o g b. g o f c. f o g (3) Of: f(x) = 2x , g(x) = x + 5 Please show solution. Click here to see answer by stanbon(57940)

 Question 474945: What is g(x)=(1/4)¹-²ⁿ , find g(3/2) ps: the exponent is 1-2n Click here to see answer by robertb(4012)

 Question 475270: y + 1 = X squared x squared + y = 7 Click here to see answer by mananth(12270)

 Question 475267: 3x + y = 4 -6x - 2y =6 Click here to see answer by mananth(12270)

 Question 475268: 3x + 5y -z =11 2x + y - 3z=12 y + 2z = -4 Click here to see answer by mananth(12270)

 Question 475746: Given the function f described by f(x) =11x, find each of the following. (a) f(-10), (b) f(6), (c) f(29), f(-10) = Click here to see answer by richard1234(5390)

 Question 475859: Find the domain of p(x)= x^2 +8 and is x not equal to zero or 8, greater than zero, or a real number? Click here to see answer by stanbon(57940)

 Question 475975: point slope formula with function, what do i do with the function I need explantion on the function Click here to see answer by richard1234(5390)

 Question 476511: What is the inverse of f(x)=ln(x-2)? I got y=e^x +2, but I don't think that's right...I wasn't sure how to eliminate the natural log Click here to see answer by scott8148(6628)

 Question 476602: x2 + 12x -64 =0 a. move the constante term to the right side of the equation: b. multiply each term in the equation for four times the coefficient of the x2 term: c. square the coefficient of the orginal x term and add it to both side of the equation: d. Take the square root of both sides e. Set the left side of the equation to the positive square root on the right side and solve for x f. Set the left side of the equation equal to the negative square root on the right side and solve for x. Click here to see answer by Theo(3504)

 Question 476657: Given f(x) = and g(x) = Find (fog)(x). Any help would be appreciated! Thank you! Click here to see answer by stanbon(57940)

 Question 476749: I have a question and need to know if I put it in standard form correctly. The problem is y=5x^2-10x+12. My solution is 5(x^2-2x) + 12 5(x^2-2x+1) + 12 5(x-1)(x-1) +7 5(x-1)^2 + 7 but I'm not sure what happened with the 12 and 5 Click here to see answer by Alan3354(31484)

 Question 476152: Find the domain and range of the relation, and state whether or not the relation is a function. {(4, 8), (5, 9), (6, 10), (7, 11)} Click here to see answer by richard1234(5390)

 Question 476981: Let f (x) = 2x^2 + 8x-1 (a) Find the derivative f ’ of f. (b) Find an equation of the tangent line to the point of (1,3). (c) Determine whether the critical point gives maximum or minimum f value and find the value. Do appreciate your help. Thanking you in advance Click here to see answer by robertb(4012)

 Question 477133: Given the function evaluate f(3). I did: =54+3 =57 so f(x)=57? Did I do that right? Click here to see answer by stanbon(57940)