Find the phase shift of the function.y = -3 cos (4x + ?)
A. 3? units to the right
B. 
units to the left
C. 4? units to the right
D. 
units to the left
Answer: D
Mathematics
You might also like to view...
Solve the problem.Suppose y = mx + b is a mathematical model for actual time as a function of estimated time, where y represents actual time and x represents estimated time and m and b are constants. If m = 0.8 and b = -2.1, find y when x is 60 min.
A. 45.9 min B. 50.1 min C. 61.68 min D. 58.32 min
Mathematics
Solve the problem.Find the mass of a thin plate bounded by 
if 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.13x = 1
A. {1}
B. {0}
C. {
}
D. ?
Mathematics
The graph of the function y = f(x) is given below. Sketch the graph of y = 
.
A. 
B. 
C. 
D. 
Mathematics