I’ll have a picture bc i have literally cramps in my thumbs so here an sorry if my hand writing is bad still working on it

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Could someone me with this question i’ve been stuck on it for 20 minutes

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)