What is the average rate of change for ƒ(x) = 2x − 12 over the interval 4 ≤ x ≤ 8?

the answer is 7                                      ‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎

v v cj van config k tbs eng r.c r.c fcb fb gb frfr

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168