Please help me How does the graph of y=2x+4 compare to the graph of y=x+4

Which expression is equivalent to 2^4y^3

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

Which of the following expressions is equal to 2x^2+8