(25) What is the solution of the equation \( \frac { 3 } { x + 3 } = \frac { - x } { x + 3 } + \frac { x } { 5 } \) ? Identify any extraneous solutions. a. \( x = 5 \) ; The extraneous solution is \( - 3 \) . b. \( x = - 3 \) ; The extraneous solution is \( 5 \) . c. \( x = 3 \) ; The extraneous solution is \( 5 \) . d. Nolution; Both \( 5 \) and \( - 3 \) are extraneous solutions.
Pregunta
Answer
a) is correct
Related Questions
Q:
Find the inverse for each of the following functions.
\(f ( x ) = 3 x + 1\)
\(g ( x ) = 1 x ^ { 3 } - 5\)
\(h ( x ) = \frac { 3 } { x + 5 }\)
\(j ( x ) = \sqrt[ 3 ] { x + 1 }\)
Q:
The total revenue from the sale of a popular book is approximated by the rational function \( R ( x ) = \frac { 1700 x ^ { 2 } } { x ^ { 2 } + 4 } \) , where \( x \) is the number of years since publication and \( R ( x ) \)
is the total revenue in millions of dollars.
(a) Find the total revenue at the end of the first year.
(b) Find the total revenue at the end of the second year.