Please help Evaluate n(x)=1/2x-5 when x=-6

A.-8
B.-7
C.-17
D.-2

idk this answer sorry cant on this one.

step-by-step explanation:

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be

the solution, from the graphing of the two lines, is (3,2), i.e., x = 3, y = 2.