Use the domain and range of each of the following relations to determine which is a function.
a. {(7,5), (-6, 0), (2, 3)
b. (7.5).(-6, 0), (-6, -2). (2,3)}
{7, -6,2, - 7)
d. {(7,5), (-6, 0), (7,3)}
C.
Please select the best answer from the choices provided

Is there more information?

1.   an exact solution requires a radical solution - no decimal approximation.2. (a)4x^3 = 756x^3 = 756/4 = 189x =   cube root of 189 =   5.74   to nearest hundredth answer(b)   189 = 3*3*3*7   so we can write the cube root of 189 as 3∛7 answerchecking (a) 4*(5.74^3 =   756.48   which is very close(b)   4* ((3∛3)^3   = 4*189   = 756   - spot on! 3. i would use solution b because the original question asked for an exact solution.