Compare the Functions fx=4x-1 and h(x)=cos(x+2pi) to find which function has the greatest y-intercept. I am struggling with this one, I've walked through it a few times and gotten multiple different answers I understand the question but something just isn't clicking. Any help would be greatly appreciated.

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: