Only brainliest answer gets points. no wrong answers. only answer if you know how to do this. as more people entered the coffee shop, the number of pounds of coffee the employees had in stock decreased every hour. the function p(x)=0.4(.91)x models the number of pounds of coffee in hundreds of pounds where x represents the number of hours since the trend has been observed. what do the values in the function represent? select each correct answer. there were 400 pounds of coffee in stock when the trend began. the number of pounds of coffee in stock decreased by 9% each hour since the trend began. there were 4000 pounds of coffee in stock when the trend began. there were 40 pounds of coffee in stock when the trend began. the number of pounds of coffee in stock decreased by 91% each hour since the trend began.

The number of pounds of coffee in stock decreased by 9% each hour since the trend began.

There were 40 pounds of coffee in stock when the trend began.

Step-by-step explanation:

p(x)=0.4(.91)^x

      = a b^x

where a is the initial value and b = 1-rate of decrease

We know that the number of pounds of coffee will decrease as time goes on.

.4 is the initial value

It is in the hundreds of pound

.4 * 100 = 40 pounds

x is the number of hours

.91 = 1- rate of decrease

Subtract 1 from each side

.91-1 =-rate of decrease

-.09 = -rate of decrease

rate of decrease = .09

rate of decrease = 9 %

That means we keep 91 % of the coffee and sell 9% of the coffee

Lets check the statements:

There were 400 pounds of coffee in stock when the trend began.

False  there were 40 pounds when we started

The number of pounds of coffee in stock decreased by 9% each hour since the trend began.

True  see above calculations

There were 4000 pounds of coffee in stock when the trend began.

False  see above calculations

There were 40 pounds of coffee in stock when the trend began.

True  see above calculations

The number of pounds of coffee in stock decreased by 91% each hour since the trend began.

False  see above calculations

step-by-step explanation:

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