Decide whether the relation defines a function.y = 
A. Not a function
B. Function
Answer: B
Mathematics
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If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions. x + 4y = 112x + 3y = 2
A. (5, 5) B. (4, -5) C. (-6, 5) D. (-5, 4)
Mathematics
Calculate.
× 117.4 - 
× 70.17
A. 20.232 B. 4090.911 C. 30.632 D. 32.032
Mathematics
Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = (x + 3)4
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.3 + 3z = 3(x - 3y)4(x - 4y - z) = 0-4(2x + y) + 2z = -30
A. {(3, 4, -4)} B. {(3, 1, -1)} C. {(3, 3, -1)} D. {(3, -4, -1)}
Mathematics