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Precalculus Enhanced with Graphing Utilities

Sullivan

$Math Studyset 91影视 Explanations$ Math

6th Edition 路 1200 pages

ISBN: 9780321795465

Chapter 6: Q.2 (page 380)

The value of the function $f (x) = 3 x - 7$ at 5 is ________.

Short Answer

Expert verified

The value of the function $f (x) = 3 x - 7$ at 5 is $8 .$

Step by step solution

01

Given information

Consider the function $f (x) = 3 x - 7$ .

The main objective is to find the value of $f (x) = 3 x - 7$ at $x = 5$ .

02

Evaluate

Substitute 5 for $x$ in $f (x) = 3 x - 7$ .

$\begin{array}{rcl} f (5) & = & 3 (5) - 7 \\ = & 15 - 7 \\ = & 8 \end{array}$

The value of $f (x) = 3 x - 7$ at 5 is 8.

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Most popular questions from this chapter

Convert each angle in degrees to radians. Express your answer as a multiple of $蟺$ .

$30 掳$

Convert each angle in degrees to radians. Express your answer as a multiple of $蟺$ .

$- 60 掳$

Use a calculator to find the approximate value of each expression rounded to two decimal places.

$\sin \frac{蟺}{8}$

Use a calculator to find the approximate value of each expression rounded to two decimal places: $\csc \frac{5 蟺}{13}$

Convert each angle in degrees to radians. Express your answer as a multiple of $蟺$ .

$- 180 掳$

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