# 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 500537: determine the domain. y= 5- sq. root of 4x Click here to see answer by chessace(471)

 Question 500688: how do I find the Domain from the table below? t F(t) -1 5 -4 2 -9 -3 Click here to see answer by solver91311(16868)

 Question 500758: Find the domain and range of the function. (Enter your answers using interval notation.) h(x) = square root(9 − x^2) Click here to see answer by solver91311(16868)

 Question 501113: slope for -6x+3 -5x 7-x and -3 + 1/2 x thanks Click here to see answer by Alan3354(30959)

 Question 501116: if f(x)= -2/3+ 26 then what is f(-3)? " " " " " what is f(6a)? Click here to see answer by Alan3354(30959)

 Question 501117: if f(x)= -2/3x + 26 then what is f(-3)? " " " " " what is f(6a)? Click here to see answer by Alan3354(30959)

 Question 501595: How do i find x-values when trying to solve a function? For example k(x)=x+9. I need to find 5 function values to this equation. But what i am not understanding is where or how to find values for x? Click here to see answer by ankor@dixie-net.com(15624)

 Question 502263: what is the domain of the function f(x)= 7/(divided by) 4x+12 Click here to see answer by candy423(2)

 Question 502482: does x^2+y=36 define y as a function of x Click here to see answer by Gogonati(809)

 Question 502454: Given: f(x) = x2, g(x) = x + 6, h(x) = 7 Find g{f[h(x)] }. Click here to see answer by Gogonati(809)

 Question 502458: what is the domain of (2x^2 - x - 2)/(x^2 + 1) Click here to see answer by Gogonati(809)

 Question 502581: The equation of the line that goes through the points (-7, -2) and (5, 3) can be written in general form Ax + By + C = 0. Find A, B, C Click here to see answer by Alan3354(30959)

 Question 503229: Find f (a), f (a + h), and the difference quotient for the function given below, where h does not equal 0. f (x) = 5x2 + 9 Click here to see answer by stanbon(57219)

 Question 503296: F(x)= 3x-8 ----- 4x+20 This means wherever you see the letter x, you replace it with (3x-8) since that is the given function. Therefore it would be set up: 4(3x-8)+20=0 Next, distribute (multiply 4(3x) and 4(-8) 12x-32+20=0 (-32+20 can be condensed) 12x-12=0 Now you want your x's on one side, and numbers on the other. This is done by adding 12 to both sides so it cancels on one side, and transfers over to the other. 12x=12 Finally, we want x by itself to determine what its value is. This is done by dividing by the number attached to the x. And remember, whatever you do to one side, needs to be done to the other. Therefore, divide both sides by 12 x=1 Click here to see answer by nic0le116(25)

 Question 503576: How would you find the range of a function on the given domain. f(x)=, Click here to see answer by jim_thompson5910(28476)

 Question 503695: A new set of car tires has a tread depth of 8 millimeters. The tread depth decreases 0.12 millimeter per thousand miles driven. Write an equation that gives the tread depth as a function of the distance driven. Click here to see answer by oberobic(2304)

 Question 504141: How do I solve for the domain of f(x): 3x^4-10 algebraically? Click here to see answer by tinbar(128)

 Question 505347: Express H(x) = g(f(x)), when f ( x ) = 4x-5 and g(x) = 2x^2 - x Click here to see answer by Edwin McCravy(8879)

 Question 507050: Write the equation of a line that passes through the given point and is perpendicular to the given line. Write the equation in the form of Ax + By=C, where a, b, and c are integers and a>0 (-6,-2);2x-5y=8 Click here to see answer by jim_thompson5910(28476)

 Question 507496: f(x) 3(x-1) (x=4)state the x intercepts and the y coordinates Click here to see answer by oberobic(2304)

 Question 507517: I seem like I understand it and then when i get to the test I feel like i like blanked out especially with functions Click here to see answer by Earlsdon(6287)

 Question 507558: If a graph is a line that is perpendicular to the line g(x) = 8x − 4and contains the point (4, 6),determine the linear function Click here to see answer by oberobic(2304)

 Question 507584: write a formula for a linear function f whose graph satisfies the conditions. Slope 4/9 y-intercept 8/5 Click here to see answer by jim_thompson5910(28476)

 Question 507603: how do rewrite this equation in funtion form: -3x + y = 12 i tried : y = 3x = 12 then im lost. Click here to see answer by Fombitz(13828)

 Question 507081: find the domain of f(x)= sqrt{x^2 - 36} Click here to see answer by bucky(2189)

 Question 507823: Hi, Can someone please help me solve this: Given f(x)=4+ 5/x and g(x)=2/x what is (f/g)(x)? I keep getting x+ 5/2x, But that isn't right. Click here to see answer by richard1234(5390)

 Question 507968: Determine the slope of the curve defined by the equation: f(x) = -10 x^2 + 5 x + 1 when x = -5. The slope of the curve when x = -5 is m = Click here to see answer by stanbon(57219)

 Question 508110: for each function find the indicated values... f(x)= 2x+5 f(6) f(1) how do i do this problem? Click here to see answer by stanbon(57219)

 Question 508191: What is the domain and range of the function f(x)=3-5x Click here to see answer by stanbon(57219)

 Question 507964: Let f(x) be the function 2 x - 2. Then the quotient \frac{f(3+h)-f(3)}{h} can be simplified to Click here to see answer by richard1234(5390)

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