Perform the indicated operation or operations, if possible.
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write the matrix equation as a system of equations and solve the system.
= 
A. {(3, 2)} B. {(-3, -2)} C. {(2, 3)} D. {(-2, -3)}
Mathematics
Translate the phrase into a mathematical expression. Use x to represent "a number". 7 times a number, decreased by 3
A. 7 - 3x B. 7x - 3 C. 3x - 7 D. 3 - 7x
Mathematics
Find only the rational zeros.f(x) = x3 + 2x2 - 45x - 126
A. 3, 6, -7 B. -4, -6, 14 C. 4, 6, -14 D. -3, -6, 7
Mathematics
Determine the period of the function and sketch its graph.y = cos 
A. period: 6?
B. period: 3?
C. period: 6?
D. period: 6
Mathematics