The graph represents the number of hours that Walter sleeps in terms of the number of days. Which function represents Walter’s situation?

A.
y = 6x
B.
y = 6
C.
y = 8
D.
y = 8x

If f(x)= 3x+6 which of the following is the inverse of f(x)

Which number produces a rationale number when multiplied by 1/5

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.