Example Describe the relationship shown in each table is the
relationship a function? Explain
The input identifies the hours, and
Table A
the output gives the cost for those
Hours (input)
hours. The relationship is a function
Cost (output $3 56 59 $12 $15
because there is only one output
for each input.
The input identifies the week and
Table B
the output gives the growth for
Week (input 1
each week. The relationship is a
Plant Growth in
3.25 2 2 175
function because there is only Inches loutput
one output for each input.
4
5
4
Can you represent either of the functions in the example
problem with an equation? Explain.