Question

A relation R in the set of real numbers R defined as R = {(a, b): a = b^3) is a function or not. Justify​

Answer 1

Answer:

3+2+4+4

x^{3}+x^{2}+4x+4x3+x2+4x+4

3+4+2+4

3+4+2+4

{\color{#c92786}{x^{3}+4x}}+x^{2}+4x3+4x+x2+4

(2+4)+2+4

3+2+4+4

x^{3}+x^{2}+4x+4x3+x2+4x+4

3+4+2+4

3+4+2+4

{\color{#c92786}{x^{3}+4x}}+x^{2}+4x3+4x+x2+4

(2+4)+2+4

3+4+2+4

{\color{#c92786}{x^{3}+4x}}+x^{2}+4x3+4x+x2+4

(2+4)+2+4

3+2+4+4

x^{3}+x^{2}+4x+4x3+x2+4x+4

3+4+2+4