MrCrude3MrCrude MrCrude3MrCrude
  • 18-02-2017
  • Mathematics
contestada

A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?

Respuesta :

ghopk3
ghopk3 ghopk3
  • 18-02-2017
sub n=1
f(1+1) = f(1)-2 = 18
f(1) = 20
f(2) - f(1) = -2 , d=-2
f(5) = 20+d*(n-1) = 20+(-2)*(5-1) = 20-8 = 12
Answer Link
ineedhelp69420 ineedhelp69420
  • 20-05-2020

Answer:

real anwser is 10

Step-by-step explanation:

toom the test

Answer Link

Otras preguntas

Parallel lines are cut by a transversal such that the alternate interior angles have measures of 3x + 17 and x + 53 degrees. The value of x is 9 18 35 71
How many ways can the letters of the word ORGANISM be arranged so the third letter is G?
How did airplanes come to be?
find the equation of the line that passes through (-2,3) and (4,-1). the formula I believe is y-y1 = y2-y1/x2-x1 (x-x1) I'm not quite sure as to how to set that
Expanding Brackets when cubed eg (x - 5)3 Answer given is xcubed -15xsquared + 75x -125 How do I work this? I can do two brackets but having trouble with the th
why are the peninsular river seasonal?
If the radius of a circle is increased by 100%, then the area is increased by: (A)100% (B) 200% (C) 300% (D) 400% (E) none of these
what are some similarities and differences between empathy and equality?
What are the lengths of the legs of a right triangle in which one acute angle measures 19o and the hypotenuse is 15 units long?
The difference between two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller number?