Decide whether or not the ordered pair is a solution of the system.(1, -2)4x = 2 - y3x = -5 - 4y
A. Yes
B. No
Answer: A
Mathematics
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/f2(x), x = 4
A. - 
B. - 
C. 
D. - 
Mathematics
Perform the indicated clock arithmetic.(-1) ? 8 (12-hr clock)
A. -5 B. 6 C. 7 D. 5
Mathematics
Determine the domain and the range of the function.f(x) = -11x2 - 2x - 6
A. domain: all real numbers
range: 
B. domain: all real numbers
range: 
C. domain: all real numbers
range: 
D. domain: all real numbers
range: 
Mathematics
Solve the equation.
= -20
A. -1 B. 400 C. 1 D. -400
Mathematics