Find z. Write your answer in simplest radical form.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place