An operational definition is used to a hypothetical construct.

The answer is measure.

Step-by-step explanation:

An operational definition is used to MEASURE a hypothetical construct.

An operational definition is how the researcher decides to measure the variables as in a study, a variable is an entity that can be measured.

d) -1

step-by-step explanation:

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.