Find the value of the expression. Give your answer as a fraction in simplest form. (Use "/" as the fraction bar.)

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

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

Which graph corresponds to the function f(x) = x2 + 4x – 1?