Munoz Collins
04/28/2024 · Primary School
company estimates that its sales will grow continuously at a rate given by the function \( S^{\prime}(t)=12 e^{t} \) here \( S^{\prime}(t) \) is the rate at which sales are increasing, in dollars per day, on day \( t \). 1) Find the accumulated sales for the first 7 days. D) Find the sales from the 2 nd day through the 5 th day. (This is the integral from 1 to 5 .)
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To find the accumulated sales for the first 7 days, we need to integrate the rate of sales with respect to time from 0 to 7.
Given:
\[ S^{\prime}(t) = 12e^{t} \]
To find the accumulated sales, we need to integrate \( S^{\prime}(t) \) with respect to time from 0 to 7.
\[ \text{Accumulated Sales} = \int_{0}^{7} 12e^{t} dt \]
Now, let's calculate the integral.
Evaluate the integral by following steps:
- step0: Evaluate using formulas and rules:
\(\int_{0}^{7} 12e^{t} dt\)
- step1: Evaluate the integral:
\(\int 12e^{t} dt\)
- step2: Use properties of integrals:
\(12\times \int e^{t} dt\)
- step3: Evaluate the integral:
\(12e^{t}\)
- step4: Return the limits:
\(\left(12e^{t}\right)\bigg |_{0}^{7}\)
- step5: Calculate the value:
\(12e^{7}-12\)
The accumulated sales for the first 7 days is \(12e^{7} - 12\).
To find the sales from the 2nd day through the 5th day, we need to integrate the rate of sales with respect to time from 1 to 5.
\[ \text{Sales from 2nd day to 5th day} = \int_{1}^{5} 12e^{t} dt \]
Now, let's calculate the integral.
Evaluate the integral by following steps:
- step0: Evaluate using formulas and rules:
\(\int_{1}^{5} 12e^{t} dt\)
- step1: Evaluate the integral:
\(\int 12e^{t} dt\)
- step2: Use properties of integrals:
\(12\times \int e^{t} dt\)
- step3: Evaluate the integral:
\(12e^{t}\)
- step4: Return the limits:
\(\left(12e^{t}\right)\bigg |_{1}^{5}\)
- step5: Calculate the value:
\(12e^{5}-12e\)
The sales from the 2nd day through the 5th day is \(12e^{5} - 12e\).
Quick Answer
Accumulated sales for the first 7 days: \(12e^{7} - 12\).
Sales from the 2nd day to the 5th day: \(12e^{5} - 12e\).
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