Solve the system of equations by elimination.
A. x = -4, y = 7; (-4, 7)
B. x = 9, y = -9; (9, -9)
C. x = -7, y = 7; (-7, 7)
D. x = 7, y = -7; (7, -7)
Answer: D
Mathematics
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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = -9x - 8, L = -44, x0 = 4, and ? = 0.01
A. 0.002222 B. 0.000556 C. 0.001111 D. -0.0025
Mathematics
Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln (x - 5)
A. 
B. 
C. - 
D. 
Mathematics
Provide an appropriate response.Choose the equation corresponding to the graph: 
A. y = 
x + 2
B. y = 
x - 2
C. y = - 
x + 2
D. y = 
x + 
Mathematics
Expand.(
+ m)4
A. 49 + 28m
+ 42m2 + 4m3 + m4
B. 49 + 14m
+ 42m2 + 4m3
+ m4
C. 49 + 28m
+ 6m2 + 4m3
+ m4
D. 49 + 28m
+ 42m2 + 4m3
+ m4
Mathematics