Which scale factors produce an expansion under a dilation of the original image?

select each correct answer.

0.3

0.75

2

3

Let

x--------> original image

y-------> modified image

F------> scale factor

we know that

if the scale factor produce an expansion under a dilation

then

therefore

the answer is

and

the solution is h=10 because you add 9 to each side of the equation.