Question

Find the average rate of change of g(x)=

–
12x+1 over the interval [
–
7,
–
1].

Answer 1

12

Explanation:

average rate

`=(g(-1)-g(-7))/(-1-(-7)) \\=([12(-1)+1]-[12(-7)+1])/(-1+7) \\=([-12+1]-[-84+1])/(6) \\=(-11+83)/(6) \\=(72)/(6) \\=12`