Question

A store's sales (in thousands of dollars) grow according to the recursive rule PN = PN-1 + 15, where N represents the number of years after they began recording sales. Their sales in the first year are P0 = 40. (a) Calculate P1 and P2. P1 = P2 = (b) Find an explicit formula for PN. Note: Webwork is case-sensitive here, so if you use the variable N in your answer you must keep it capitalized. PN = (c) Use your formula to predict the store's sales in 10 years. P10 = (d) When will the store's sales reach at least $120 thousand? If your answer is not a whole number, please round your answer up. N =

          A store's sales (in thousands of dollars) grow according to the recursive rule PN = PN-1 + 15, where N represents the number of years after they began recording sales. Their sales in the first year are P0 = 40.

(a) Calculate P1 and P2.
P1 =
P2 =

(b) Find an explicit formula for PN. Note: Webwork is case-sensitive here, so if you use the variable N in your answer you must keep it capitalized.
PN =

(c) Use your formula to predict the store's sales in 10 years.
P10 =

(d) When will the store's sales reach at least $120 thousand? If your answer is not a whole number, please round your answer up.
N =

A store's sales (in thousands of dollars) grow according to the recursive rule PN = PN-1 + 15, where N represents the number of years after they began recording sales. Their sales in the first year are P0 = 40.

(a) Calculate P1 and P2.
P1 =
P2 =

(b) Find an explicit formula for PN. Note: Webwork is case-sensitive here, so if you use the variable N in your answer you must keep it capitalized.
PN =

(c) Use your formula to predict the store's sales in 10 years.
P10 =

(d) When will the store's sales reach at least 120 thousand? If your answer is not a whole number, please round your answer up.
N =

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