arithmetic/composition problem

What are the domains (in interval notation) of these two functions: (f of g) (x) = √(3x-4) (g of f) (x) = 3√(x+1) -5 **everything in parenthesis is square rooted (sorry it's unclear)

11/23/20

A rectangle with area 288 square inches has a length that is four less than four times the width. Find the length and the width of the rectangle.

I am completely lost. I know that I must use substitution but that's it.

11/22/20

Let i=sqrt-1 and r and w represent real numbers. If (r-4i)(5+3i) = 2+wi then find the value of (r+w)

Let i=sqrt-1 and r and w represent real numbers. If (r-4i)(5+3i) = 2+wi then find the value of (r+w)

09/07/20

how do you factor the problem below

how do you factor x4-8x?

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