# 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 404652: given the function h(x)=4x+4 find each of the following h(4)= h(-10)= h(6,6)= Click here to see answer by subudear(55)

 Question 404654: write an equation of the line containing the given points and parrallel to the given line. Express your answer in the form y=mx+b (-3,2);3x=7y+5 Click here to see answer by subudear(55)

 Question 404650: determine weather the graphs of the equations are perpendicular 4x-3y=8 4y-3x=7 Click here to see answer by subudear(55)

 Question 404646: find the slope if it exsists of the line containing the pair of points (-3.3,15.5) and (-0.8,5.6) Click here to see answer by subudear(55)
 Question 404646: find the slope if it exsists of the line containing the pair of points (-3.3,15.5) and (-0.8,5.6) Click here to see answer by rfer(12646)

 Question 405158: find the derivative ln x/ square root x^2 +1 y'=? Click here to see answer by Tatiana_Stebko(1326)

 Question 405593: For this problem, write a system of equations in two or three variables. Use the method of your choice to solve: 14. One night the manager of the Sea Breeze Motel rented 5 singles and 12 doubles for a total of \$390. The next night He rented 9 singles and 10 doubles for a total of \$412. What is the rental charge for each type of room? Click here to see answer by ankor@dixie-net.com(15628)

 Question 405596: Determine whether each system is independent, dependent or inconsistent. 2x+2y=8 x+y=4 Click here to see answer by Alan3354(30975)

 Question 405745: What is the domain of f of g of x if f(x)= square root of x-6 and g(x)= 1/x^2-2 Click here to see answer by stanbon(57228)

 Question 405986: Mr. Simon invests a total of \$7003 in two savings accounts. One account yields 7.5% simple interest and the other 8.5% simple interest. He would like to find the amount placed in each account if a total of \$582.33 in interest is received after one year. Write a system of linear equations to express this problem. Click here to see answer by mananth(12270)

 Question 405987: How much pure water must be mixed with 4 pints of 50% acetic acid to produce a mixture that is 33% acetic acid? Click here to see answer by mananth(12270)

 Question 406201: evaluate the function rule for the given value. f(x)=3^x for x=-4 I would have tried the problem but i don't know how to start it. Click here to see answer by stanbon(57228)

 Question 406206: evaluate the function rule for the given value. y=12*3^x for x=4 Click here to see answer by ewatrrr(10682)

 Question 407012: Write an equation to represent each relation, {(-6,4),(-3,8),(1,-24),(2,-12),(6,-4)} and {(-4,3),(-2,12),(-1,48),(1,48),(2,12)} Click here to see answer by Edwin McCravy(8880)

 Question 407212: Given the function K described by k (x)=x+15, find each of the following: k(0)= Click here to see answer by richard1234(5390)

 Question 407213: Given the function F described by F (x)=5x, find each of the following: (a). f(-17) (b). f(6) (c). f(21) f(-17)=?? Click here to see answer by unit(6)

 Question 407276: find the equation of the line through (2,3) and (-1,2) Click here to see answer by unit(6)

 Question 407705: Let(f)=ax^5+bx^3+cx+9 were a,b,and c are constants. If f(6)=17, determine the value of f(-6) Click here to see answer by richard1234(5390)

 Question 407687: help with a question how to find the domain of f(x)/g(x) g(x)= x+2/x-4 f(x)=x^2+6 x^2 + 6 / x+2/x-4 I believe that I have to multiply both sides by x-4 but I am really lost on a problem like this and do not understand. Click here to see answer by graphmatics(170)

 Question 407741: let f be a function with domain (-2,positive infinity) and range [-3,4]. Find the domain and range of y=-f(x+2)-3 Click here to see answer by robertb(4012)

 Question 407883: Find the range of f(x) = -2x^2 + 4 for the domain (-3, 0, 2) Click here to see answer by jim_thompson5910(28493)

 Question 407808: how do i find the domain of (3,4) (-5,4) (2,1) (8,4) Click here to see answer by jim_thompson5910(28493)

 Question 408981: what is the domain and range of the function y= the square root of x plus 8 Click here to see answer by ewatrrr(10682)

 Question 409605: Find the domain and range of {(-3,-7), (-1,-3), (0,-1), (2,3), (4,7)} I don't understand this at all. Click here to see answer by jim_thompson5910(28493)