Hi, I am currently working on some homework problems. This stuff is just so confusing to me. Please help me with this problem. Thanks

4. Show work and write your answers to the following questionsin interval notation.

(a) What is the domain of the function f(x) = p7x− 35? note: the big P is the square root of 7x - 35.

(b) What is the domain of the function g(x) = 7x / x - 10

(c) What is the range of the function h(x) = x2 − 4x + 11? note: x2 = x squared