Solve the problem.For each gray hair that a man plucks from his head, two grow back the next day. Write a difference equation for the number of gray hairs, given that he plucks three a day.

What will be an ideal response?


yn = yn-1 + 3

Mathematics

You might also like to view...

Write the equation of a sine function that has the given characteristics.The graph of y = , shifted 7 units to the right

A. y = 
B. y =  - 7
C. y = 
D. y =  + 7

Mathematics

Complete the following:(a) Use the Leading Coefficient Test to determine the graph's end behavior.(b) Find the x-intercepts. State whether the graph crosses the x-axis or touches the x-axis and turns around at each intercept.(c) Find the y-intercept.(d) Graph the function.f(x) = (x + 1)(x - 2)2

What will be an ideal response?

Mathematics

Solve the problem.One conveyor belt can move 1000 boxes in 9 minutes. Another can move 1000 boxes in 11 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?

A.  minute
B.  minute
C. 7 minutes
D. 1 minutes

Mathematics

Find the sum using the formulas for the sums of powers of integers. ? ?

A. 33 B. 17 C. 30 D. 5 E. 9

Mathematics