Question

Which of the following tables shows that y=kf(x)
results in the parent function y=|x+4|
being vertically stretched by a k factor of 3?(1 point)

This table displays values of x and their corresponding y values based on the function y=kf(x)
x y=kf(x)

0 1.3
1 1.7
2 2

This table displays values of x and their corresponding y values based on the function y=kf(x)
x y=kf(x)

0 4
1 5
2 6

This table displays values of x and their corresponding y values based on the function y=kf(x)
x y=kf(x)

0 12
1 15
2 18

This table displays values of x and their corresponding y values based on the function y=kf(x)
x y=kf(x)

0 −12

1 −15

2 −18

Answer 1

The third table: x=0 → 12, x=1 → 15, x=2 → 18.

Reason: f(x)=|x+4| gives values 4, 5, 6 at x=0,1,2. A vertical stretch by k=3 gives y=3f(x) = 12, 15, 18.