Question

Which graph represents the function f(x) = 2xd?

4.
੫
2
2
4u
y
2
-2
2
-2
2
2.
2
-2
-2
2
4
-2
4-2
-2

Answer 1

see below

Explanation:

Consider the value of the function for x=1.

f(1) = 2|1| = 2·1 = 2

Only one of the graphs goes through the point (1, 2).