Question 150752
y=3x+9    for   (0,  )


plug in 0 for x.


y=3(0)+9
y=0+9
y=9


(0,9)
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y=3x+9    for   ( ,24)


plug in 24 for y


24=3x+9
15=3x
5=x


(5,24)
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y=3x+9    for   (2,  )


Plug in 2 for x


y=3(2)+9
y=6+9
y=15


(2,15)