Which of the following relation is a one-to-one function? Write you answers on a separate sheet of paper.
(a) {(0,0).(1.1).(2.8) (3.27).(4,64)}
(b) {(-2,4),(-1,1).(0,0).(1.1) (2.4)
(c) ((0.4).(1,5).(2.6) (3,7)...(n. n+4))
(d) Height to student
(e) Person to telephone number
(1) Height to age
Birthdate of a family member

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

step-by-step explanation:

a'(12.5,11.25)

slope=(y1-y2)/(x1-x2)

true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.