CPM Homework Help : INT1 Problem 2-111

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Home > INT1 > Chapter Ch2 > Lesson 2.3.3 > Problem 2-111

2-111.

Use the function $f(x) = \frac { 6 } { 2 x - 3 }$ to calculate the value of each expression below.

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

$f(0)$

$f(−3)$

$f(1.5)$
Answer (d):
$f(1.5) =$ Undefined. You can't divide by $0$ .

What value of $x$ would make $f(x) = 4$ ?
Hint (e):
$4=\frac{6}{2x-3}$
Answer (e):
$x = 2.25$

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