Question

The Caddo County Coop uses the function
S(t) = -5,250t + 57,750

to determine the salvage value S(t), in dollars, of a fertilizer blender t years after its purchase. How long will it take the blender to depreciate completely?

Answer 1

answer options

9
11
12
13

Answer 2

to depreciate completely means 0 = -5,250t + 57,750
so the answer is 11

Answer 3

to depreciate means 0>-5,250t + 57,750

Answer 4

oh okay, would this be done like that oo?

A forest owned by the Jumbo Lumber Corporation contains 4,288 trees. If Jumbo Lumber cuts down 75 trees every day, which function can be used to find the number of trees, n, left in the forest after t days?

Answer 5

n(t) = (4,288-75)t
n(t) = 4,288 - 75t
n(t) = 4,288 + 75t
n(t) = 4,288t - 75
^ answer options

Answer 6

of course B

Answer 7

4,288-75t

Answer 8

thanks :)