CPM Homework Help : AC Problem 2-8

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Home > AC > Chapter 14 > Lesson 14.2.1.1 > Problem 2-8

2-8.

For the function $f ( x ) = \frac { 6 } { 2 x - 3 }$ , find the value of each expression below.

$f \left(1\right)$
Hint (a):
Substitute $1$ for $x$ .
Answer (a):
$f\left(1\right) = −6$

$f \left(0\right)$

$f \left(−3\right)$

$f \left(1.5\right)$
Answer (d):
$f\left(1.5\right) = \text{Undefined.}\\\text{ You can't divide by 0.}$

What value of $x$ would make $f\left(x\right) = 4$ ?
Hint (e):
Substitute $4$ for $f\left(x\right)$ .
Answer (e):
$x = 2.25$

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