Question 976724
Plug in the given V(t) formula, distribute and multiply.


P(t) = 10V(t)
P(t) = 10( V(t) )
P(t) = 10( -0.00004785t^3 + 0.02314t^2 - 0.04774t + 1.137 )
P(t) = 10( -0.00004785t^3 ) + 10( 0.02314t^2 ) + 10( - 0.04774t) + 10( 1.137 )
P(t) = -0.0004785t^3 + 0.2314t^2 - 0.4774t + 11.37 


The formula P(t) = -0.0004785t^3 + 0.2314t^2 - 0.4774t + 11.37 represents the value of $10 for any given year t (t = 0 means 1980)


For example, if you plugged in t = 0, you would get P(t) = 11.37 which means $10 is worth $11.37 in 1980. 



Side Note: I'm not too familiar with economics, but I think the idea is $10 in currency will get you $11.37 in sold goods. Don't quote me on that though (so get a second opinion on the interpretation of this function).