Question

Find the output, y, when the input, x, is 7 Y=

Answer 1

According to the above graphical figure it is found that,

When the input value of x is 7, output value of y is 4.

Location on the graph → (7,4).

y=4 is the right answer.

Answer 2

y = 4

Explanation:

Locate x = 7 on the x- axis, go vertically up to meet the graph at (7, 4 )

Then when x = 7, y = 4