gretchen is using an overhead projector to enlarge a drawing so she can make a poster. the original drawing measures 60 mm wide by 80 mm high. she moves the projector so that the width of the projected image is 300 mm. if the original drawing and the projected image are similar figures, what will be the height of the projected image? a. 225mmb. 440mmc.180mmd. 400mm

(D) this is a ratio problem. Take the new width over the old width to get the ratio. so 300/60 is 5. then multiply that by the old height to get the new height. 80 X 5 which is 400.

In all honesty, there really is no “work” per say to show. mainly it’s just using the process of elimination. the question is asking which domain(s) would be the most appropriate for the function c(n). n is the number of observed vehicles so right away, 1, 2, and 3 can be eliminated.why? 1, 2 start in the negatives and therefore it is impossible to observe negative cars. so, #4 would be the best answer to the given problem.