Can someone help me with these questions please!

C(x)=(2x^2+5x)/(x^3+8) what is maximum c(x)?

Sam and joan have been married for 25 years and have three children: max, who is 23; janet, who is 19; and sarah, who is 15. janet has just been diagnosed with a mental illness. describe the objective and subjective burdens each family member may experience. describe the meaning this diagnosis may have to janet’s parents, younger sibling, and older sibling.

When an enzyme catalyzes a reaction: a. substrate(s) bind in the active site b. products bind in the active site c. the shape of the enzyme remains unchanged d. the enzyme is consumed by the reaction