CPM Homework Help : CCA2 Problem 1-47

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1-47.

Compute for $f ( x ) = \frac { 1 } { x }$

Hint:

Replace all $x$ 's with what is inside the parentheses.

$f ( \frac { 1 } { 2 } )$
Hint (a):
$f\left(\frac{1}{2}\right)=\frac{1}{\frac{1}{2}}$
More Help (a):
Multiply the numerator and denominator by $2$ .
$\frac{1}{\frac{1}{2}}\cdot\frac{2}{2}=\frac{2}{1}$
Answer (a):
$f\left(\frac{1}{2}\right)=2$

$f ( \frac { 1 } { 10 } )$
Hint (b):
Refer to part (a).
Answer (b):
$f\left(\frac{1}{10}\right)=10$

$f(0.01)$
Answer (c):
$f\left(0.01\right)=100$

$f(0.007)$
Answer (d):
$f\left(0.007\right)=\frac{1000}{7}$

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