10 + .4*5 = 12
10 + .4*8 = 13.2
10 + .4*4 = 11.6
it may be bumpy but:
There is one and only one output value for every input value.
Therefore it is a function.
Delivery company charges $10 plus 40¢ per kilometer or part of a kilometer. Find the cost for a trip of:
a.5 kilometers
b.7.5 kilometers
c.3.2 kilometers
d.Graph the ordered pairs (kilometers, cost). Is this a function?
1 answer
1 answer