The value of Mila's car after it has been driven thousand kilometres is dollars
MATHEMATICS · Multi-part · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions
Problem
The value of Mila's car after it has been driven D thousand kilometres is V(D)=10000−40D dollars. The distance Mila's car has been driven t years after Mila purchased it is D(t)=80+10t thousand kilometres.
(1) a** Find the composite function V∘D , and explain what it means.
(2) b Find and interpret (V∘D)(6) .