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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 4: Q. 14 (page 245)

Find the value of $f (x) = 12 x^{6} - 8 x^{4} + 1$ at $x = 4$ .

Short Answer

Expert verified

The value of $f (4)$ is $47105$ .

Step by step solution

01

Given information

The given function is $f (x) = 12 x^{6} - 8 x^{4} + 1$

02

Determine the value of fx at x=4

Substitute $4$ for $x$ in given function.

$f (4) = 12 {(4)}^{6} - 8 {(4)}^{4} + 1 = 47105$

03

Write the conclusion

The value of $f (x)$ at $x = 4$ is $47105$ .

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Most popular questions from this chapter

In Problems 63鈥�72, find the real solutions of each equation.

$x^{4} - 2 x^{3} + 10 x^{2} - 18 x + 9 = 0$

Solve the given inequality algebraically.

$x^{3} > 1$

In Problems 57鈥� 62, find the real zeros of f. If necessary, round to two decimal places.

$f (x) = x^{4} + 1.2 x^{3} - 7.46 x^{2} - 4.692 x + 15.2881$

Find the domain of the rational function.

$H (x) = \frac{3 x^{2} + x}{x^{2} + 4}$

Find a rational function that might have the given graph.

See all solutions

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