Tons of math homework, I know no math so please help

Which of the following graphs represents the function f(x) = 2^x

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3