How do i solve this math equation

What is the y-intercept of the line given by the equation

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.