Pls asap

what is the product?

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

If i have one apple and give you the apple, how many apples do i have?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!