!please answer fast! 20 points Given f(x) = 3x - 11
a. find -4[f(-3)]
b. if f(x) =-53 what is x?

x= 3x-11

11=3x-x

11=2x

x=11/2

x= 5.5

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arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.