2. the amount of fertilizer in a landscaping company’s warehouse decreases at a rate of 3% per week. the amount of fertilizer in the warehouse was originally 78,000 cubic yards. what function models the amount of fertilizer in cubic yards left after w weeks?

She has two errors.  First one she didn't Change the rate to a decimal.

Second because it is a decrease she needs to subtract the rate from 100% so instead of 3, she should have used 97%

The equation would then be:

y = 78,000 (0.97)^x

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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