Algebra

If (4,2) is a point on the graph of y=f(x), which of the following points must be on the graph of y=f(2x).

a) (4,1)
b) (8,2)
c) (2,2)
d) (4,4)

  1. 👍 0
  2. 👎 0
  3. 👁 44
asked by Carl
  1. we know that 4 = f(2) = f(2*1)
    so, (a)

    we know nothing about f(4) or f(8)

Respond to this Question

First Name

Your Response

Similar Questions

  1. graphing help?

    Graph ​ g(t)=4sin(3t)+2 ​. Use 3.14 for π . Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point. How

    asked by sasha on May 4, 2017
  2. Algebra 2

    Evaluate the function when x=1. f(x)=4x-2. Write the input and output as a set of ordered pairs, and identify the domain and range of the ordered pair. (6 points) Ordered Pair: Domain: Range: Write an equation of direct variation

    asked by JojO on December 3, 2016
  3. Math

    1. How can you represent a loss of 24 dollars as an integer? (1 point) –42 –24 +24 2. How can you represent a baby growing 13 inches in a year as an integer? (1 point) –13 0 + +13 3. What is the integer at Point L? (1 point)

    asked by Triston on May 18, 2017
  4. Math

    1. How can you represent a loss of 24 dollars as an integer? (1 point) –42 –24 1/24 +24 2. How can you represent a baby growing 13 inches in a year as an integer? (1 point) –13 0 +1/13 +13 3. What is the integer at Point L?

    asked by Triston on May 18, 2017
  5. Maths

    find the points of intersection of (a) the tangents to the graph of y=2+2x-x^2 at the points where the graph meets the x-axis. (b) the normals to the graph at these points. (c) find the area of the triangle created from the two

    asked by John B on December 15, 2016
  6. calculus

    answer the questions about the following function f(x)= 10x^2/x^4+25 a. is the point (-sqrt 5,1) on the graph b. if x=3, what is f(x)? what point is on the graph of f? c. if f(x)=1, what is x? what points are on the graph? d. what

    asked by Help--Please help!!!! on December 16, 2012
  7. pre cal

    The graph of y=v(x) contains the point (−12,−8). What point must be on the graph of each of the functions below? Enter points as (a,b) including the parentheses. The graph of y=−(v(1/4(x+13))−13) must contain the point

    asked by ari on July 19, 2016
  8. Calculus

    The graph of f ′(x) is continuous and decreasing with an x-intercept at x = 0. Which of the following statements is false? (4 points) The graph of f has an inflection point at x = 0. The graph of f has a relative maximum at x =

    asked by Henry on February 20, 2016
  9. physics

    I'm making a graph of force vs stretch for springs. I have 7 data trials with the k (F = kx) ranging from 28 to 31, average is 29.6. Now I need to find the slope and write an equation for the graph. If I use the first two points

    asked by Kriti on March 17, 2011
  10. geometry CA

    Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point)

    asked by Jesicca on March 11, 2011
  11. Math-due today, need a check

    Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the

    asked by Lisa on December 2, 2009

More Similar Questions