(correct answer gets full ratings and brainliest. )
a survey has a margin error of +/- 5%. in the survey, 91 out of 100 people said that they were with their phone service. the phone company has 8000 customers. what is the range of the number of people that are satisfied?
a) 6916 to 7644 people.
b) 6619 to 7644 people.
c) 6900 to 7685 people.
d) 6926 to 7644 people.

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.

two? xd

step-by-step explanation:

inverse property is the answer

step-by-step explanation: