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Intermediate Algebra

OPENSTAX

$Math Studyset Vaia Explanations$ Math

OER 2017 Edition · 1346 pages

ISBN: 9780998625720

Chapter 10: Q. 183 (page 1034)

In the following exercises, solve each logarithmic equation. $y = \log_{2.5} (x)$

Short Answer

Expert verified

The graph is

Step by step solution

Given information

Given the function $y = \log_{2.5} (x)$

Rewriting in exponential form

Rewriting, we get

$y = \log_{2.5} (x) {(2.5)}^{y} = x$

Use the point plotting method

Using point plotting, we get

$y$	${(2.5)}^{y} = x$	$(x, y)$
$0$	$1$	$(1, 0)$
$- 1$	$\frac{2}{5}$	$(\frac{2}{5}, - 1)$
$1$	$2.5$

Sketching the graph by plotting point

Plotting the point, we get

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Most popular questions from this chapter

In the following exercises, determine whether or not the given functions are inverses.

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In the following exercises, solve each logarithmic equation.y=log2.5x

Short Answer

Step by step solution

Given information

Rewriting in exponential form

Use the point plotting method

Sketching the graph by plotting point

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Most popular questions from this chapter

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In the following exercises, solve each logarithmic equation. $y = \log_{2.5} (x)$