write a rule for the function?

Robyn

New member
input x 0 4 8 12
output y 5 7 9 11

if you know this one maybe you can help me on these ones too.

if x = 0 y = 0, if x=1 y=.5, if x=2 y=2, if x=3 y=4.5


next one if x=0 y=1, if x=1 y=1.5, if x= 2 y=2, if x= 3, y= 2.5
 
Ok Robyn, I don't know which grade you are in.

If u know Finite Differences, then by a simple use of Newton's Forward Interpolation,

the answer to the first part is f ( x ) = 5 + ( x / 2 ).

Of course, the same answer can also be obtained by common sense.
 
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