Asked by Frank

X is partly constant and partly varies with y.when X =11,y=3 and when X=14,y=4. Find the formula connecting X and y.
Answered by oobleck
x = a+by
so, using your two points,
a+3b = 11
a+4b = 14
clearly, b=3, so a=2

x = 2 + 3y
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