Evaluate the determinant.
A. -36
B. 36
C. -54
D. 54
Answer: D
Mathematics
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Factor by grouping.42m - 7m2 + 18n - 3nm
A. No common factor B. (7m + 3n)(6 - m) C. m(7 + 3n)(6 - 1) D. (7m - 3n)(6 - m)
Mathematics
Solve the equation.-2x - 1 + 4(x + 1) = -5x - 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Assume the function f computes the number y in millions of people using the internet in year x. f = {(1996, 1.2), (1998, 4.3), (2000, 9.8) Evaluate f(2000) and give the domain and range of f
A. f(2000) = 4.3; D: {1.2, 4.3, 9.8}, R: {1996, 1998, 2000} B. f(2000) = 9.8; D: {1.2, 4.3, 9.8}, R: {1996, 1998, 2000} C. f(2000) = 1.2; D: {1996, 1998, 2000}, R: {1.2, 4.3, 9.8} D. f(2000) = 9.8; D: {1996, 1998, 2000}, R: {1.2, 4.3, 9.8}
Mathematics
Solve for y.7x + 9 = 5y - 9
A. y = 
B. y = 
C. y = 7x - 18
D. y = 7x + 18
Mathematics