Domain and range of the function 1/x^2 +1​

Why is it that people at first would be nice then they shut you down? (school matter)

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4