Anyone solve this maths questions from integers​

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?