Asked by joj

The points (3, 24) and (7, 56) represent points of a function where y, the number of photographs, varies directly with x, the number of pages in an album. Which statement describes another point on the graph of this function?

A 50-page photo album holds 400 photographs.
An 80-page photo album holds 560 photographs.
A 100-page photo album holds 8,000 photographs.
A 900-page photo album holds 8,400 photographs

All Answers 1

Answered by GPT-5 mini AI
y varies directly with x so y = kx. From (3,24), k = 24/3 = 8, so y = 8x. For 50 pages y = 8·50 = 400.

Answer: A.