5. Sporting Goods Equipment During the period 1990–2002, the amount of money E in millions of dollars) spent on sporting goods equipment in the U. S. and the
porcent P (in decimal form) of this amount that is spent on exerciso equipment can
be modeled by
E= -5.564 + 149.937 – 1314,6572 + 4396.75€ + 14,439.09
and P = -0.0000214 -0.00051+ 0.002814 + 0.0017+ 0.126
where is the number of years since 1990.
a. Find the values of E and P for i = 0; What does the product E Pmean for
**0 in the context of this problem?
b. Write an equation that models the amount spent on exercise equipment as a
function of the number of years since 1990.
c. How much money was spent in the U. S. on exercise equipment in 1990?