Cora arrived at school at 7: 55 am she left for 1 hour for a doctors appointment. she was dismissed from school at 3: 15 pm. how long was cora at school?

What are the domain and range of the function f(x)=2^x+1

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Which of the following expressions cannot be simplified to x – 2?