Solve the problem.An investment is worth $3836 in year 0. By year 5 it has grown to $6376. Let I be the value of the investment in year x. The linear equation I = 508x + 3836 models the value, I, of the investment on year x. Interpret the slope.
A. The value of the investment increased by $508 between year 0 and year 5.
B. The value of the investment is increasing at a rate of $508 per year.
C. The value of the investment is increasing at a rate of $3836 per year.
D. The value of the investment is decreasing at a rate of $508 each year.
Answer: B
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.
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