Step-by-step explanation:
(a) 5 = 1/5(5) + c
5 = 1 + c
4 = c
y = 1/5x + 4
.................
(b) 4 = 0(8) + c
y = 0x + 4
y = 4
(c) e = x(e) + c
e = xe + c
1 = x + c
1 - x = c
...............
(d) 7 = (√2) + c
5.58578643 = c
y = x + 5.58578643
