Calculate following derivative if y(t) = 6t-3 + 412. (Use symbolic notation and fractions where needed.) d²y dt2 It=3

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Question 6 of 10**

Calculate the following derivative if \( y(t) = 6t^{-3} + 4t^2 \).

(Use symbolic notation and fractions where needed.)

\[
\left. \frac{d^2y}{dt^2} \right|_{t=3} = \text{[blank for answer]}
\]

---

**Explanation:**

To solve this problem, perform the following steps:

1. **First Derivative (\(\frac{dy}{dt}\)):**
   - Differentiate \( y(t) = 6t^{-3} + 4t^2 \) with respect to \( t \).
   
2. **Second Derivative (\(\frac{d^2y}{dt^2}\)):**
   - Differentiate the first derivative to find the second derivative.
   
3. **Evaluate at \( t = 3 \):**
   - Substitute \( t = 3 \) into the second derivative to find the specific value.

Use symbolic notation and fractions as necessary to express the final answer.
Transcribed Image Text:--- **Question 6 of 10** Calculate the following derivative if \( y(t) = 6t^{-3} + 4t^2 \). (Use symbolic notation and fractions where needed.) \[ \left. \frac{d^2y}{dt^2} \right|_{t=3} = \text{[blank for answer]} \] --- **Explanation:** To solve this problem, perform the following steps: 1. **First Derivative (\(\frac{dy}{dt}\)):** - Differentiate \( y(t) = 6t^{-3} + 4t^2 \) with respect to \( t \). 2. **Second Derivative (\(\frac{d^2y}{dt^2}\)):** - Differentiate the first derivative to find the second derivative. 3. **Evaluate at \( t = 3 \):** - Substitute \( t = 3 \) into the second derivative to find the specific value. Use symbolic notation and fractions as necessary to express the final answer.
**Title: Calculating the Second Derivative of a Function**

**Objective:** To calculate the second derivative of the function \( y(t) = 6t - 3 \) with respect to \( t \).

**Step-by-Step Solution:**

1. **First Derivative:**

   \[
   \frac{dy}{dt} = \frac{d}{dt} (6t - 3) 
   \]
   \[
   = 6
   \]

   Since the derivative of a constant is zero and the derivative of \( 6t \) with respect to \( t \) is 6, the first derivative is 6.

2. **Second Derivative:**

   \[
   \frac{d^2y}{dt^2} = \frac{d}{dt} \left(6\right)
   \]
   \[
   = 0
   \]

   Since the derivative of a constant (6) is zero, the second derivative is zero.

3. **Evaluating the Second Derivative at \( t = 3 \):**

   \[
   \frac{d^2y}{dt^2} \bigg|_{t=3} = 0
   \]

   The second derivative evaluated at \( t = 3 \) is 0. The boxed result on the page shows a numerical value of 8.296, but given the context of these calculations, this seems to be incorrect for the function calculated here. The correct calculation following the derivatives would result in zero.

**Conclusion:** The process of differentiating involves finding the rate of change. In this example, finding both the first and second derivatives of \( y(t) = 6t - 3 \) demonstrates that the second derivative is zero, reflecting no change in the gradient of the linear function.
Transcribed Image Text:**Title: Calculating the Second Derivative of a Function** **Objective:** To calculate the second derivative of the function \( y(t) = 6t - 3 \) with respect to \( t \). **Step-by-Step Solution:** 1. **First Derivative:** \[ \frac{dy}{dt} = \frac{d}{dt} (6t - 3) \] \[ = 6 \] Since the derivative of a constant is zero and the derivative of \( 6t \) with respect to \( t \) is 6, the first derivative is 6. 2. **Second Derivative:** \[ \frac{d^2y}{dt^2} = \frac{d}{dt} \left(6\right) \] \[ = 0 \] Since the derivative of a constant (6) is zero, the second derivative is zero. 3. **Evaluating the Second Derivative at \( t = 3 \):** \[ \frac{d^2y}{dt^2} \bigg|_{t=3} = 0 \] The second derivative evaluated at \( t = 3 \) is 0. The boxed result on the page shows a numerical value of 8.296, but given the context of these calculations, this seems to be incorrect for the function calculated here. The correct calculation following the derivatives would result in zero. **Conclusion:** The process of differentiating involves finding the rate of change. In this example, finding both the first and second derivatives of \( y(t) = 6t - 3 \) demonstrates that the second derivative is zero, reflecting no change in the gradient of the linear function.
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