Find the 4th term of the sequend in which a1=2 and an=-4an-1 +2? I was wondering if someone could do it step by step

Write a positive or negative number to represent each situation. a. you win 150 dollars in a contest b. a loss of 15 yards in a football game c. 75 feet below sea level d. 35 degrees above 0 f e. a debt of 24.75 dollars

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

How do i do this activity, is appreciated