Algebra 1

Carter, Cuevas, Day, Holiday, Luchin

$Math Studyset 91影视 Explanations$ Math

Student Edition 路 801 pages

ISBN: 9780078884801

Chapter 1: Q41. (page 50)

Examples 4 and 5 If $f (x) = 鈭� 2 x 鈭� 3$ and $g (x) = x^{2} + 5 x,$ find each value. (P. 50)
$f (c 鈭� 5)$

Short Answer

Expert verified

The function value at $x = c 鈭� 5$ is $鈭� 2 c + 7$ .

Step by step solution

Step 1. Interpreting of function.

$f (c 鈭� 5)$ Indicates the value of function $f (x)$ at $x = c 鈭� 5$

Step 2. Apply substitution method.

Substitute $x = c 鈭� 5$ into the function $f (x)$

$f (c 鈭� 5) = 鈭� 2 (c 鈭� 5) 鈭� 3$

Step 3. Further calculation:

$\begin{array}{l} f (c 鈭� 5) = 鈭� 2 (c 鈭� 5) 鈭� 3 \\ f (c 鈭� 5) = 鈭� 2 c + 10 鈭� 3 \\ f (c 鈭� 5) = 鈭� 2 c + 7 \end{array}$

Thus, the function value at $x = c 鈭� 5$ is $鈭� 2 c + 7$ .

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91影视

Examples 4 and 5 If $f (x) = 鈭� 2 x 鈭� 3$ and $g (x) = x^{2} + 5 x,$ find each value. (P. 50)
$f (c 鈭� 5)$

Short Answer

Step by step solution

Step 1. Interpreting of function.

Step 2. Apply substitution method.

Step 3. Further calculation:

One App. One Place for Learning.

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91影视

Examples 4 and 5 Iff(x)=鈭�2x鈭�3 andg(x)=x2+5x, find each value. (P. 50)f(c鈭�5)

Short Answer

Step by step solution

Step 1. Interpreting of function.

Step 2. Apply substitution method.

Step 3. Further calculation:

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Pure Maths

Mechanics Maths

Statistics

Logic and Functions

Probability and Statistics

Study anywhere. Anytime. Across all devices.

Examples 4 and 5 If $f (x) = 鈭� 2 x 鈭� 3$ and $g (x) = x^{2} + 5 x,$ find each value. (P. 50)
$f (c 鈭� 5)$