Solve the system of equations.x2 - y2 = 25x + y = 5
A. (-5, 0), (0, 5)
B. (5, 0)
C. (5, 0), (-5, 0)
D. (-5, 0), (5, 5)
Answer: B
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. 
= - 2; 
= -5
B. 
= - 2; 
= 1
C. 
= 2; 
= 5
D. 
= - 
; 
= 0
Mathematics
Complete numerical representations for the functions f and g are given. Evaluate the expression, if possible.(f?g)(4)
A. 6 B. Undefined C. 1 D. 10
Mathematics
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 
A. Yes; degree 1 B. Yes; degree 5 C. No; it is a ratio D. No; x is a negative term
Mathematics
Solve the problem.Write 310 out of 500 war veterans as a reduced fraction and as a percent.
A. 
, 620%
B. 
, 620%
C. 
, 62%
D. 
, 6.2%
Mathematics