f y = 8x − 2, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

{(0, −2), (1, 6), (2, 14)}
{(0, −2), (2, 13), (−5, −40)}
{(1, 7), (2, 7), (3, 7)}
{(1, 6), (2, 13), (3, 24)}

Question

f y = 8x − 2, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

 {(0, −2), (1, 6), (2, 14)}
 {(0, −2), (2, 13), (−5, −40)}
 {(1, 7), (2, 7), (3, 7)}
 {(1, 6), (2, 13), (3, 24)}

anonymous · Answer

f(x) is also y, but we should use f(x) here, because x will keep track of what we use.

f(x) = 8x − 2
x = 0
8(0) = 0 - 2 = -2
the first is (0,-2)


x = 1
8(1) = 8 - 2 = 6
the second one is (1, 6)

could you see what  it is if x = 2 to get the final answer ?

anonymous · Answer

A? @silverr

godlovesme · Answer

https://web.geogebra.org/app/# use the link ^^^

anonymous · Answer

sorry, yes, @TheHangingTree !!