The value of Mr. Dulaney's car x years after its purchase is given by the function, V(x) = 15,000(0.87)^x.
Approximately, what was the value of Mr. Dulaney's car 5 years after its purchase?

a. $7, 500
b. $8, 600
c. $9, 900
d. $13, 100

Question

The value of Mr. Dulaney's car x years after its purchase is given by the function, V(x) = 15,000(0.87)^x. 
Approximately, what was the value of Mr. Dulaney's car 5 years after its purchase?

a. $7, 500
b. $8, 600
c. $9, 900
d. $13, 100

anonymous · Answer

V(x)=15,000*(0.87)^x

V(5)=15,000*(0.87)^5

V(5)=15,000*(~0.4984).... that approximatly not a negative just so we are clear

V(5)=7,476.31 so i would say a.