Necesito ayuda X+1=2​

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?