Asked by Mojisola
Y partly constant and partly varies directly as x=1,y=2 and when x=2,y=3 find the value of y when x=4
Answers
Answered by
oobleck
Y partly constant and partly varies directly as x ---> y = mx+b
and you are given
m+b = 2
2m+b = 3
so m=1 and b=1
y = x+1
so when x=4, y=5
and you are given
m+b = 2
2m+b = 3
so m=1 and b=1
y = x+1
so when x=4, y=5
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