Need answer #1 and #4 please help i will give brainliest for whoever answers first !

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller