KaliBowline KaliBowline
  • 24-07-2015
  • Mathematics
contestada

Given the function f(x) = 4(x+3) − 5, solve for the inverse function when x = 3.

Respuesta :

naǫ
naǫ naǫ
  • 26-07-2015
[tex]f(x)=4(x+3)-5 \\ f(x)=4x+12-5 \\ f(x)=4x+7 \\ \\ \hbox{solve for x:} \\ y=4x+7 \\ y-7=4x \\ x=\frac{y-7}{4} \\ \\ \hbox{swap x and y:} \\ y=\frac{x-7}{4} \\ \\ f^{-1}(x)=\frac{x-7}{4} \\ f^{-1}(3)=\frac{3-7}{4}=\frac{-4}{4}=-1 \\ \boxed{f^{-1}(3)=-1}[/tex]
Answer Link

Otras preguntas

Spanish help? 1.Ellas___de san Lorenzo. A.Vienen B.Vienes C.Viene D.Vengo 2. ______ Is a suburb of asuncion known for some nice restaurants. A.San Blas B.San Lo
2. (Citizenship 02.03 MC) Which of the following is a true statement? (3 points) The Anti-federalists believed that a pure democracy was possible, whereas the
A circle has area of 361pi cm2 what is the radius
How does an Index Organized table differ from a standard table and a typical index?
Across five aprils chapter 5 1. Why was mother so sick? 2. What errand was jethro sent on? 3. What happened at the general store? 4. What fine treat did je
Which skill-related fitness abilities are necessary for volleyball?
Where did Franciscan friars live
How to write 2,530,090.341 in expanded form?
What has happened to the endosperm that formed in the embryo sac?
compared to eukaryotic cells, prokaryotic cells contain a. about 1000 times more DNA b. about one thousandth as much DNA c. twice as much DNA d. the same amoun