Find the following for the function f(x) 3x +3x- 4. (a) f(0) (e) -fx) (b) f(2) () f(x+2) (c) f(- 2) (9) f(5x) (d) f(- x) (h) f(x + h)

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Understanding and Evaluating Functions**

For the function \( f(x) = 3x^2 + 3x - 4 \), find and simplify the following evaluations:

(a) \( f(0) = \) [Simplify your answer.]

(b) \( f(2) = \) [Simplify your answer.]

(c) \( f(-2) = \) [Simplify your answer.]

(d) \( f(-x) = \) [Simplify your answer.]

(e) \( -f(x) = \) [Simplify your answer.]

(f) \( f(x + 2) = \) [Simplify your answer.]

(g) \( f(5x) = \) [Simplify your answer.]

(h) \( f(x + h) = \) [Simplify your answer.]

---

**Explanation of Items:**

- **Item (a)** asks you to evaluate the function at \( x = 0 \). This is done by substituting 0 into the function and simplifying.
  
- **Item (b)** asks you to evaluate the function at \( x = 2 \). Substitute 2 into the function and simplify the result.

- **Item (c)** is similar to the previous ones but for \( x = -2 \). Substitute -2 into the function and simplify.

- **Item (d)** asks you to find \( f(-x) \), which means substituting \(-x\) into the function \( f(x) \) and simplifying.

- **Item (e)** asks for \(-f(x)\), which is just the negative of the function. Simplify after inserting the given function.

- **Item (f)** asks for the evaluation of \( f(x + 2) \), which involves substituting \( (x + 2) \) into the function for \( x \) and then simplifying the result.

- **Item (g)** asks for \( f(5x) \). Substitute \( 5x \) into the function for \( x \) and simplify.

- **Item (h)** asks for \( f(x + h) \). Substitute \( (x + h) \) into the function for \( x \) and simplify.

---

*Note: Make sure to carefully perform all algebraic manipulations for each function substitution to accurately arrive at simplified expressions.*
Transcribed Image Text:**Understanding and Evaluating Functions** For the function \( f(x) = 3x^2 + 3x - 4 \), find and simplify the following evaluations: (a) \( f(0) = \) [Simplify your answer.] (b) \( f(2) = \) [Simplify your answer.] (c) \( f(-2) = \) [Simplify your answer.] (d) \( f(-x) = \) [Simplify your answer.] (e) \( -f(x) = \) [Simplify your answer.] (f) \( f(x + 2) = \) [Simplify your answer.] (g) \( f(5x) = \) [Simplify your answer.] (h) \( f(x + h) = \) [Simplify your answer.] --- **Explanation of Items:** - **Item (a)** asks you to evaluate the function at \( x = 0 \). This is done by substituting 0 into the function and simplifying. - **Item (b)** asks you to evaluate the function at \( x = 2 \). Substitute 2 into the function and simplify the result. - **Item (c)** is similar to the previous ones but for \( x = -2 \). Substitute -2 into the function and simplify. - **Item (d)** asks you to find \( f(-x) \), which means substituting \(-x\) into the function \( f(x) \) and simplifying. - **Item (e)** asks for \(-f(x)\), which is just the negative of the function. Simplify after inserting the given function. - **Item (f)** asks for the evaluation of \( f(x + 2) \), which involves substituting \( (x + 2) \) into the function for \( x \) and then simplifying the result. - **Item (g)** asks for \( f(5x) \). Substitute \( 5x \) into the function for \( x \) and simplify. - **Item (h)** asks for \( f(x + h) \). Substitute \( (x + h) \) into the function for \( x \) and simplify. --- *Note: Make sure to carefully perform all algebraic manipulations for each function substitution to accurately arrive at simplified expressions.*
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