ryanfootball345 ryanfootball345
  • 11-04-2018
  • Mathematics
contestada

if f(x)=3x-15, then f^-1(x) =
solve for x please

Respuesta :

altavistard
altavistard altavistard
  • 12-04-2018
1.  Replace f(x) with y:  y = 3x - 15
2.  Interchange x and y:  x = 3y - 15
3.  Solve this for y:  3y = x + 15, and y = (x + 15)/3
4.  Replace y with 

   -1                -1
 f   (x):           f   (x) = (x + 15) / 3            (answer)
Answer Link

Otras preguntas

what is 1/4 of 24= to
Robert de La Salle is noted for A. finding the Northwest Passage. B. exploring the St. Lawrence River. C. claiming for France the land around the Mississippi
How would i simplify 21/56.
which of the following molecule(s) is (are) polar? CO2, CH4, CBr4, or CHBr3
Which of the following is NOT soluble in water? A) NaCl B) KBr C) CH3CH2OH D) HCl E) C6H6 and how do i know?
explain how you con use place value pattern to describe how 50 and 5000 compare
what factor is paired with 3 to give 24
Catherine de Médici was able to ____ European politics in the sixteenth century by marrying her daughters to the kings of Spain and France. A. manipulate B. gen
PLEASE HELP Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x)) Answer choices: A. -40x+24 B. -40x+31 C. -40x+64 D. -40x+70
someone interested in reading a personal account of life under Nazi dominance would choose which of these The Diary of Anne Frank A True Relation "A Progress t