For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(1, -1), (2, -1), (5, -5), (7, -7), (12, 7)}
A. Yes
B. No
Answer: A
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.
+ y = 9x + cos 2x; 
= 0 and y = 9? when x = ?
A. y = -9 sin x - 
cos x + 9x - 
cos 2x
B. y = 9 sin x + 
cos x + 9x - 
cos 2x
C. y = 9 sin x - 
cos x + 9x - 
sin 2x
D. y = 9 sin x - 
cos x + 9x - 
cos 2x
Mathematics
1.1 ÷ 0.02
A. 56 B. 44 C. 5.5 D. 55
Mathematics
Factor out the greatest common factor.3z - 12
A. 3(z - 4) B. 4(z - 3) C. 3(z + 4) D. 3(z - 12)
Mathematics
Use the prime factorization method to find the LCM of the given numbers.18 and 27
A. 486 B. 27 C. 45 D. 54
Mathematics