Graph the image of △PQR after a dilation with a scale factor of 2, centered at the origin. -
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the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

other answer is correct. i had used the radius of the radius somehow. a website:

zero

step-by-step explanation:

f(2)= x-2

plug in the 2 in the "x"

f(2)=2-2

f(2)=0