11+? ÷4-? =9 i have been stumped on this for a while

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Click the arrows to advance or review slides. mapping carbohydrates to food carbohydrates (grams) 15 food (quantity) bread (1 slice) pasta (1/3 cup) apple (1 medium) mashed potatoes (1/2 cup) broccoli (1/2 cup) carrots (1/2 cup) milk (1 cup) yogurt (6 oz.) 12 12 is jennifer's relation a function? yes no f 1 of 2 → jennifer figure out the difference between a function and a relation by answering the questions about her food choices

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?