Solve for the missing variables below

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

What number is 7 units left of -15?