Step-by-step explanation:
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Looking at the graph closely we can see that the heart rate increases from 0 to 6 min then became steady from 6 to 25 min then finally decreases from 25 to 30 min. Therefore the correct answer is:
“The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes.”
In real life cardiac exercises, we can interpret that the period from 0 to 6 min is the period where the person is still warming up thus leading to an increase in heart rate. At 6 min, the person is fully warmed up hence reaching a stable heart rate. Then at 25 min, the person starts cooling down which means that the exercise is ending soon.
Answer:
The correct option is option a.
Step-by-step explanation:
It is given that parallelogram DEFG is transformed to parallelogram VSTU.
It means we have a parallelogram DEFG and after transformation we get VSTU.
Since the original figure is DEFG, therefore DEFG is preimage and VSTU is the image because it is the result of the transformation.
Therefore option a is correct, i.e., "Parallelogram DEFG is the pre-image because it is not the result of the transformation".