Answer: c.
Explanation:
there is a point on (4,40)
we sub in 4 as x and see if we get 40
a.y=8(4) y=32 no
b.y=1/4(4)+30 y=31 no
c.y=5/2+30 y=20/2+30 y=10+30 y= 40 yes
d.y=5/2(4) y=10
answer is c
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