Question

@sshayer

Answer 1

@leonardo0430

Answer 2

first co-ordinate is value of x, put this value of x in f(x) and see if you get second co-ordinate.

Answer 3

D) (0,7)
https://www.desmos.com/calculator <- input function there for all solutions

Answer 4

i solve one .
Similarly you can check others.

Answer 5

\[f(x)=\frac{ 2 }{ 3 }x+7\]
when x=3
\[f(x)=\frac{ 2 }{ 3 } \times 3+7=2+7=9\]
which is second co-ordinate.
Hence (3,9) is a solution.
Similarly check others.

Answer 6

2/3(0)+7=7

Answer 7

yup