Question

Vertical Stretches & Compressions Quick Check
1 of 5
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 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


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

Answer 1

The second table (x: 0→12, 1→15, 2→18).

Reason: f(x)=|x+4| gives f(0)=4, f(1)=5, f(2)=6. Multiplying by k=3 yields 12, 15, 18.