Special Linear Relationships Answers

Which graph represents a function with direct variation?

Which graph represents a function with direct variation?

The sequence below shows Marisa’s library fine starting on the first day her book is overdue and for each additional day afterward:$0.50, $0.65, $0.80, $0.95, $1.10, ...Let f(n) represent Marisa’s library fine (in dollars), where n is the number of days the book has been overdue, starting with n=1 for the first day overdue.Which equation represents Marisa’s library fine as a function of a book that is n days overdue?

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 direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?

The graph represents the direct variation function between earnings in dollars and hours worked.

What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)?

Which sequence is generated by the function f(n + 1) = f(n) – 2 for f(1) = 10?