Find the amplitude, period or phase shift.Find the amplitude of y = 2 cos 
.
A. 8
B. 2
C. 4
D. 
Answer: B
Mathematics
You might also like to view...
Express the number in decimal notation.4.57 × 10-4
A. 0.0000457 B. 0.000457 C. 0.00457 D. -457,000
Mathematics
Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.When four times a number is added to 8 times the number, the result is 60. What is the number?
A. 0.6 B. -7.5 C. 7.5 D. 5
Mathematics
Write the decimal as a fraction or mixed number in simplest form.0.152
A. 
B. 
C. 
D. 
Mathematics
State the dimensions of the matrix.
A. 15 B. 3 × 5 C. 5 × 3 D. 1, -1, -3, -2, -8, 1, 3
Mathematics