this is a functions question, i need to graph it but i first must find at least three ordered pairs. can anyone help me with this one im stuck!
2007-01-10 08:26:40 · 4 answers · asked by nicofara 1 in Science & Mathematics ➔ Mathematics
pick 3 values for x.
plug them in one at a time and solve for y.
f(x) means the same as y.
Then you have your x and y values to graph.
2007-01-10 08:31:11 · answer #1 · answered by chris 2 · 0⤊ 0⤋
f(x) = 2/5 x a straight line with slope 2/5 and crosses the y-axis at (0,0)
Ordered pairs: try x = 5, 10, 15
then f(5)= 2(5)/5 = 2
and f(10) = 2(10)/5 = 4
and f(15) = 2(15)/5 = 6
There are other ordered pairs-- - inf < x< + inf-- but these multiples of 5 were easy to multiply
2007-01-10 08:37:10 · answer #2 · answered by kellenraid 6 · 0⤊ 0⤋
Is that 2/ (5x) or (2/5) x?
I'll go with 2/(5x) because, as written, that's what it means.
pick 1, 2, and 4 to make it easy.
(1,0.4), (2,0.2), (4, 0.1)
2007-01-10 08:40:36 · answer #3 · answered by bequalming 5 · 0⤊ 0⤋
y = f(x) = 2/5x
let x = 1,2,3
Then y = 2/5, 2/10, 2/15
Your ordered pairs are:
(1,2.5), (2,2/10), and (3,2/15)
2007-01-10 08:35:40 · answer #4 · answered by ironduke8159 7 · 0⤊ 0⤋