To find the average of 3 5 and 7. Like other transformations prime notation is used to distinguish the image fromthe pre-image. Yf xf 7 x 2 7 2 7times 749 y f x f 7 x2 72 7 7 49.
Yf xf 7 x 2 7 2 7times 749 y f x f 7 x2 72 7 7 49.
The image always has a prime after the letter such as A. Lets take a look at one more formula just for practice. The formula for this is. This tree grows 20 cm every year so the height of the tree is related to its age using the function h.