Emma L. F(x)=2x-6 find each value is what the directions Say and I’m just confused. More 2 Answers By Expert Tutors
Functions may sound confusing at first but if you just remember that you substitute for the x with the given value (in this case it is given that x=2, and then solve for x.. so, f(2) = 2 (2) -6 I substituted 2 for all the x's
 Hi, Emma. F(x) = 2x - 6 To find F(2), you simply substitute 2 for x in the equation. F(2) = 2(2) - 6 = 4 - 6 = -2 Still looking for help? Get the right answer, fast.ORFind an Online Tutor Now Choose an expert and meet online. No packages or subscriptions, pay only for the time you need. Calculus ExamplesStep 1 Use the slope-intercept form to find the slope and y-intercept. The slope-intercept form is , where is the slope and is the y-intercept. Find the values of and using the form . The slope of the line is the value of , and the y-intercept is the value of . Slope: y-intercept: Step 2 Any line can be graphed using two points. Select two values, and plug them into the equation to find the corresponding values. Create a table of the and values. Step 3 Graph the line using the slope and the y-intercept, or the points. Slope: y-intercept:
+0 What is the value of f(2)?0 6022 2 Let f(x) be a function which contains 2 in its domain and range. Suppose that f(f(x))*(1+(f(x)) = -f(x) for all numbers x in the domain of f(x). Thank you for your help. thess Oct 16, 2018 0 users composing answers..2+0 Answers#1 +1 I did two of these for you... from what class are you getting these questions? I was able to see the trick in the first two but this one seems truly complicated. Is your class teaching any strategies for dealing with these? Rom Oct 18, 2018 #2 +1 How about this. \(f(f(x))*(1+(f(x)) = -f(x)\\ so\\ f(f(2))*(1+(f(2)) = -f(2)\\ let\;\;\; f(2)=k\\ f(k)*(1+k) = -k\\ f(k)= \frac{-k}{1+k}\\ \) This has to work for all the other values in the domain as well so I will replace k with x \(f(x)= \frac{-x}{1+x}\\\) This contains 2 in its range as well as its domain. Melody Oct 18, 2018 12 Online UsersTop UsersSticky TopicsSome guidelines for question askers. What is Happening 5 Again a number puzzle. Multiply in writing. Loads of fun printable number and logic puzzles ¤¤¤¤Welcome To Web2.0calc¤¤¤¤ How to display latex properly Feature Questions 1 - Started 8th May 19 How to upload a picture. If a question is ticked that does not mean you cannot continue it. Should you consider anything before you answer a question? Geometry Thread PUZZLES LaTex Coding https://www.desmos.com/calculator/bsh9ex1zxj Historical post! What is happening? Wrap #4 Great Questions to Learn From 2 Great Answers to Learn From Reference Material Information for new people. What is the answer of F 2?In function notation, the "x" in "f (x)" is called "the argument of the function", or just "the argument". So if they give you the expression "f (2)" and ask for the "argument", the answer is just "2".
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What is the value of f 2
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