For a function, each input(x) can only have ONE output (y). Is this a function? Il-1, 1), (-1,0),(-1,-1),(-1,-2)}

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.