# Questions on Algebra: Rational Functions, analyzing and graphing answered by real tutors!

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 Algebra: Rational Functions, analyzing and graphing Solvers Lessons Answers archive Quiz In Depth

 Question 525616: Would you be so kind as to help me with this? I have to graph each function and state it's domain and range. y = sqrt(x+1)+4 Thank you so much Click here to see answer by lwsshak3(6469)

 Question 526561: find all the zeros of this polynomial function f(x)=x^3+x^2-5x+3 Click here to see answer by lwsshak3(6469)

 Question 525623: I would really appreciate your help. I'm not sure how to go about this. I have to graph each function and state it's domain and range. y = sqrt (x+2) -2 Thanks so much. Click here to see answer by lwsshak3(6469)

 Question 525622: Please explain this to me. I have to graph each function and state it's domain and range. y = sqrt(x-3) + 3 and y = sqrt(x+1)-2 Thank you for taking the time to help me. Click here to see answer by lwsshak3(6469)

 Question 526746: I have 3 questions that are all similar. I know the answers, but I REALLY need help getting the answers.... Pick any of them and help me solve, please! (Ps. I'm not asking any others, so I'm not breaking the "5 questions a day" policy) (n+12)-(n)>2 3x+5=x(3) (h+3)+(h-1)=5 Also, the boxes represent "Square Root Of", which end when the parenthesis close. Click here to see answer by jim_thompson5910(28504)

 Question 527114: what is the equation of (0,0), (1,4), (2,8), (3,12) Click here to see answer by oberobic(2304)

 Question 527124: Hey, I've been looking all over the internet for a way to convert (y=(m)x+b) into point-slope form. I can't remember though whether this only applies to quadratic equations. If you consider this two questions, my apologies, I'm new to this. Thanks. Click here to see answer by jim_thompson5910(28504)
 Question 527124: Hey, I've been looking all over the internet for a way to convert (y=(m)x+b) into point-slope form. I can't remember though whether this only applies to quadratic equations. If you consider this two questions, my apologies, I'm new to this. Thanks. Click here to see answer by scott8148(6628)

 Question 527426: Could someone please show me how to solve this problem step by step? Aki's Bicycle Designs has determined that when x hundred bicycles are built the average cost per bicycle is given by C(x)=0.2x^2-0.9x+5,796, where C(x) is in hundreds of dollars. how many bicycles should the shop build to minimize the average cost per bicycle? Click here to see answer by scott8148(6628)

 Question 527580: Please help! I have so simplify each expression: 1. (2 + 3i) + (4+ 5i) 2. (5 + 4i) - (1+2i) 3. (20 + 6i)- (7 + 15i) Thank you so Much! Click here to see answer by solver91311(16868)

 Question 527593: Please, could you help with this? I need to simplify each expression 1. (2+3i)(4+5i) 2. (1+2i)(6-2i) 3.( 3-6i) (6-2i) Thank you so much! Click here to see answer by Alan3354(30983)

 Question 527595: Please help with this! How do I find the inverse of each function? 1. y= x^2 + 2 2. y= x+2 3. y= 3(x+1) Thank you so much! Click here to see answer by nerdybill(6948)

 Question 527578: Help me with these please. I don't understand the concept. I need to simplify each number unsing the imaginary number i. 1. sqrt -72 2.sqrt -11/25 3.sqrt 3/7 Thank you so much!! Click here to see answer by lwsshak3(6469)

 Question 527356: Graph the function. Find the vertex, line of symmetry, and maximum or minimum value. f(x)=(x+3)^2-4 Click here to see answer by lwsshak3(6469)

 Question 527323: Determine the quadratic function, f(x)=ax^2+bx+c, whose vertex is (3, 7) and passes through the point (5, -9). Click here to see answer by lwsshak3(6469)

 Question 527654: Help please! I have to simplify each expression: (1 + 2i) (6-3i) thank you Click here to see answer by htmentor(788)

 Question 527651: Hello, Please help with these. I have to write an equation for the inverse of: 1. y= x+4 over 2 2. y=-1/2x + 2 3. Y=2x-3 Thank you so much! Click here to see answer by lwsshak3(6469)

 Question 527648: Please, I would appreciate your help. I have to graph y = sqrt (x+1) -3 and state the domain and range. thank you so much! Click here to see answer by Edwin McCravy(8882)

 Question 528003: Need help once again, can't seem to figure this out. Let h and g be two functions defined by h(x)=(5+x)(-6+x) g(x)=2-x for any real number x. Find h/g(3) and then find all values that are NOT in the domain of h/g. If there is more than one value, separate them with commas. Click here to see answer by jim_thompson5910(28504)

 Question 528152: Write the fraction or mixed numbers as a decimal. Use a bar to show a repeating devimal. 1/1/6 A.1.16 B.0.16 C.1.01 D.1.01 Click here to see answer by Alan3354(30983)

 Question 528158: Name the set or sets to which each number belongs. If the number is rational, use the following names: for 13 N= the set of natural numbers W=the set of whole numbers I= the set of intergers Q=theset of rational numbers a. not rational b. I,W,N c. Q,I,N d.Q,I,W,N Click here to see answer by KMST(1868)

 Question 528207: Identify all sets to which number belongs If number is 13. a. rational b. I,W,N c. Q, I, N c. Q,I,N d. Q,I,W,N Click here to see answer by solver91311(16868)

 Question 528604: analyze the graph of the rational function Q(x)=(x^4-1)/(x^2-4) Click here to see answer by stanbon(57246)
 Question 528604: analyze the graph of the rational function Q(x)=(x^4-1)/(x^2-4) Click here to see answer by oberobic(2304)

 Question 529162: A carpenter buys finishing nails by the pound. Each pound of nails costs \$1.19. How do I write a function rule to describe this relationship. How much does 12 lb of finishing nails cost? Click here to see answer by solver91311(16868)

 Question 529116: What I have to do here is find the y-intercept, the zeros, domain, x-intercept, and end behavior. I know that you have to simplify the factors, which would be I just don't know what else to do to find the rest. I know that to find the y-intercept you have to set the x to zero, correct? And to find the x-intercept you set the whole equation to zero. Click here to see answer by KMST(1868)

 Question 529282: f(x) = (1/3)^x what would the domain and range of this function be? I am guessing that there is one asymptote y = 1/3 So only the range has a restriction. Making the domain (negative infinity , positive infinity) and Making the range ( 1/3 , positive infinity) am I correct? Click here to see answer by oberobic(2304)

 Question 529355: What is the square root of 75/2 minus the square root of 3/2? Please show me the work. Click here to see answer by edjones(7569)

 Question 528925: I need to graph this and I don't know how. X^2 + 100 = 27x I need at least four points. thank you for your help! Click here to see answer by lwsshak3(6469)

 Question 529624: Please help me with this.I have a project that is 4 parts. I'm not sure how to do this part. I have to do a quadratic formula for x^2 + 6x = 16 I have to a. put it in standard form b. state the values of a,b,and c c. state the quadratic formula d. show the substitution step e. show step by step the evaluation of the work until Ireach a solution. This is very important and I don't want to get it wrong, so I need your help! thank you so much! Click here to see answer by Alan3354(30983)

 Question 529620: Please help! I have to solve by factoring. Not sure how to get the answer to these: x^3 -10x + 25x = 0 and 2x^3 -8x = 0 Thanks for the help Click here to see answer by josmiceli(9660)

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