Write the function for the graph.
(1,8)
(0,4)

a. f(x) = 4 • (2)^x
b. f(x) = 4 • (8)^x
c. f(x) = 8 . (4)^x
d. f(x) = 2 · (4)^x

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?