F(x) =x + 3/2
For the function f defined above, what is the value of f(-1)

How do i solve uniform motion problems?

Which one is the correct answer, and why?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)