# 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 623758: Determine the range of the function f(x) = (8 x + 3)(x − 5) Click here to see answer by solver91311(16868)

 Question 623937: What is the domain and range of y = x+2/2x+1 ? the answer must be in {x/x blah blah} form - don't know the name XD Click here to see answer by Theo(3458)

 Question 623942: What is the domain and range of y = 3/10-2x ? the answer must be in {x/x blah blah} form - don't know the name XD please provide solutions~ Click here to see answer by solver91311(16868)

 Question 623940: What is the domain and range of y = 2x/5 ? the answer must be in {x/x blah blah} form - don't know the name XD please provide solutions~ Click here to see answer by solver91311(16868)
 Question 623940: What is the domain and range of y = 2x/5 ? the answer must be in {x/x blah blah} form - don't know the name XD please provide solutions~ Click here to see answer by ewatrrr(10682)

 Question 623939: What is the domain and range of y = 3/10-2x ? the answer must be in {x/x blah blah} form - don't know the name XD please provide solutions~ Click here to see answer by solver91311(16868)

 Question 623936: hi! what is the domain and range of y= 2/3x-2 ? the answer in { x/x blah blah } form. Click here to see answer by solver91311(16868)

 Question 624648: Evaluate the indicated function, where f(x) = x2 − 3x + 2 and g(x) = 9x − 9. (f − g)(−8)= ? Click here to see answer by nerdybill(6948)

 Question 624918: suppose that the revenue R, in dollars, from selling x clocks is R(x)=30x. The cost C, in dollars, of selling x clocks is C(x)=0.1x^2+7x+400. Find the profit function. Click here to see answer by prateekagrawal(56)

 Question 624931: f(x)=x+2/x-6 i is the point on (3,14)on the graph of f Click here to see answer by jim_thompson5910(28476)

 Question 624932: Hello. I have to find the f[g(x)] for the functions f(x)=4x+9;g(x)=-5x+7. could you please send me the step by step solution so I can learn it the right way. thank you and have a good day Click here to see answer by jsmallt9(3296)

 Question 624997: Find functions f and g so that h(x)=f(g(x)). The function g must be a polynomial or rational function. h(x)= 3√x^2-3 (The three is on top of the √). Thanks guys :D. Click here to see answer by richard1234(5390)

 Question 624993: Find functions f and g so that h(x)=f(g(x)). The function g must be a polynomial or rational function. h(x)= ln(2x+5) Thanks in advance to anyone who helps, I really appreciate it! Click here to see answer by jsmallt9(3296)

 Question 625106: Let f(x) = x2 + 3x – 4 and g(x) = x + 5. Find f(x) • g(x). Click here to see answer by oscargut(891)

 Question 625141: One zero of the function is -4, find the others. f(x)=x^3-2x^2-11x+52 Click here to see answer by oscargut(891)

 Question 625305: find the inverse and check. h(x)= 1/3 x + 1 h(x)= 7/8x-2 d(x)= 5x+7/2x+4 Click here to see answer by jankiz(13)

 Question 625379: what is the approximate area of an ellipse that is 150 feet long and 25 feet wide, Use the formula A=nab. Click here to see answer by Alan3354(30955)

 Question 625151: One zero of the function is i. Find the others. f(x)=x^4-4x^3+2x^2-4x+1 Click here to see answer by jsmallt9(3296)

 Question 625434: how do i form a polynomial whose zeros are -4,4,1 and degree is 3? Click here to see answer by Alan3354(30955)

 Question 626326: Let f(x)=ax+b, where a and b are positive numbers, and assume that the following equation holds for all values of x: f(f(x))=bx+a. Find a+b. Click here to see answer by Edwin McCravy(8879)

 Question 626519: what is the functional value requested in the problem: F(x)=x^2-t^2 a.) F(t)= b.) F(5t)= Click here to see answer by jim_thompson5910(28476)

 Question 626692: in how many ways can 10 runners finish first, second, or third ? Click here to see answer by jim_thompson5910(28476)

 Question 626695: What is the probability of drawing all red cards from a standard deck of 52 cards if you draw 5 cards from the deck? (Think combinations.) A) .0253 B) .253 C) .50 D) .523 E) .875 Click here to see answer by stanbon(57214)

 Question 627199: I can't tell if this question is trying to try me or what. True/False the table below does not define a function ______________ Domain Range ____________ 1 -1 2 1 3 1 4 0 Click here to see answer by jim_thompson5910(28476)

 Question 627224: what does the function exists and doesnot exist mean Click here to see answer by solver91311(16868)

 Question 627313: for the piecewise function find the values g(0),g(2), and g(7) link to question image:http://oi48.tinypic.com/6jf5sm.jpg i really need help on this i have no idea how to do this and i dont have access to a calculator yet with graphing just hoping im allowed to ask more then 5 questions when i start my test this is HW online so its unlimited i need help on Click here to see answer by jim_thompson5910(28476)

 Question 627404: if f(x) = 3x + 7 find f(3b) + 7 and simplify Click here to see answer by jim_thompson5910(28476)