a small rural town has experienced a population decrease at a rate of 25 people every 5 years since 1970. if the population of the town in 1970 was 250, which of the following equations represents the town’s population as a function of time? (assume 1970 is represented by x = 0, 1971 is represented by x = 1, and so on).
a.
y = –5x + 250
b.
y = –25x + 250
c.
–5x + y = 250
d.
–x – 25y = 250

A (tested this and was Correct)

beware there's a similar question but not the same  equations

Step-by-step explanation:

slope of a line = difference in y

or

difference in x (or rise over run) = -25 / 5  slope m = -5

when x = 0 (that is the year 1970), the population is 250.

x = 0 represents the y-intercept.

so the answer choice could have the slope = -5 and y-intercept = 250

which leads to A  y = –5x + 250

step-by-step explanation:

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