Which of these sets of ordered pairs are functions? R={(0, 0), (1, 1), (2, 2)}
S={(0, 1), (1, 2), (2, 3)}
T={(0, 1), (0, 2), (0, 3)}
A. only set S
B. only sets R and S
C. only sets S and T
D. sets R, S, and T

the anwser is d) 75°

step-by-step explanation:

if you need , reply with more info. u.

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0