Two gyms open their memberships to the public. Compare the gyms by calculating and interpreting the average rates of change from Week 1 to Week 3. From Week 1 to Week 3, Gym A membership increases at an average rate of _ people per week, and Gym B membership increases at an average rate of _ people per week. So, Gym _ membership is growing faster.

Ireally don’t understand your problem do you have a better picture of it

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.