QueenGinger QueenGinger

13-09-2015
Mathematics

contestada

If f(1) = 160 and f(n + 1) = –2f(n), what is f(4)?

Respuesta :

jason2020158 jason2020158

13-09-2015

f4 can be rewritten to:

f(4) = f(3+1) = -2f(3) [Using f(n+1) = -2f(n)]

Keep using f(n+1):

-2f(3) = -2f(2+1) = -2[-2f(2)] = 4f(2)

Again:

4f(2) = 4f(1+1) = 4[-2f(1)] = -8f(1) = -8*160

-8*160 = -1280

Answer Link

16-04-2020

Answer:

-1,280

Step-by-step explanation:

Answer Link

Otras preguntas

A DVD player with a list price of $100 is marked down 30%. If John gets an employee discount of 20% off the sale price, how much does John pay for the DVD playe

(x^3)^9 = A: x^12 B: x^27 C: x^3 D: x^6

How do I solve n^2-5n-14=0 by factoring

3 is 0.2 percent of what number?

'What is the surface area, in square inches, of an 8-inch cube? F. 512 G. 384 H. 320 J. 256 K. 192'

If 9(x − 9) = −11, then x = ? A. -92/9 B. -20/9 C. -11/9 D. -2/9 E. 70/9

a drawer has some red ,green and blue marbles.there are 33 marbles . there are 4 times as many red marbles as green marbles.there are half as many blue marbles

Please explain how biotechnology can increase or decrease variation???

1.Which of the following types of words must be capitalized? A. The first and last word of every sentenceB. First, last, and main words in a book titleC. All pr

Ms. Hernandez began her math class by saying: I'm thinking of 5 numbers such that their mean is equal to their median. If 4 of the numbers are 14, 8, 16, and 14