fullonfangirl fullonfangirl
  • 12-10-2017
  • Mathematics
contestada

What is the value of k in the function f(x)=112-kx if f(-3)=122

Respuesta :

choixongdong
choixongdong choixongdong
  • 12-10-2017

 f(x) = 112 - kx
 if f(-3) = 122
so
f(-3) = 112 - k(-3)
122 = 112 - (-3k)
122 = 112 + 3k
  122 = 112 + 3k
so 3k = 122 - 112
     3k = 10
       k = 10/3
or
       k = 3 1/3
Answer Link

Otras preguntas

When does a location receive the most energy? Why? PLEASE HELP!!!!!!!!!
SHOW ALL WORK, SHOW THE WORK U DO TO GET YOUR ANSWER Graph the following equation. You may use technology. −3=3/4(x+2) What form is the equation in? i. Standard
What is the slope of the line parallel to a line that passes through the points L(0, 5) and Q(4, -5) A) 5/2 B) -5/2 C) 2/5 D) -2/5
What was the ideas about neutrality during ww1 to the passage of the lend-lease act?
an electrician charges $50 to make a house call and $49 for each hour worked. if you have $200, can u afford a repair that takes 4 hours to complete?
PLEASE HELP ASAP!!!! 100% CORRECT ANSWERS ONLY PLEASE!!!! I CANNOT RETAKE THIS. WILL BE REPORTED IF GIVEN THE WRONG OR INCORRECT ANSWER. What is true in both of
Lexington and concord were the first battles in what war?
PLEASE HELP I AM ABOUT TO FAIL. A 15-foot pole is leaning against a tree. The bottom of the pole is 9 feet away from the botto
did i draw Q and R in the right spots? and how would i show work for this? plz help!!!!!!
Which of the following are solutions to the equation below? x2−x=6 x = 6, x = -1 x = 3, x = -2 x = -6, x = 1 x = -3, x = 2