The function ()=63⋅(1.03)
c
(
x
)
=
63
⋅
(
1.03
)
x
models the cost in dollars,
c
, of 1 ounce of a certain chemical used in a laboratory.
x
represents the number of years since 1990.



How much does an ounce of the chemical cost in 2005? (Do NOT type the $ with your answer.)