Gasoline price is $4 per gallon in august the price increased by 10% inseptember and drop 5% in october what was the gasoline price in october? ? someone

step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative