The difference between a number x and 12 is 19

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

What is the frequency of the sinusoidal graph?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.