Find the intervals on which the function is continuous.y = 
- 
A. discontinuous only when x = -6
B. discontinuous only when x = -2
C. discontinuous only when x = -4 or x = -2
D. continuous everywhere
Answer: D
Mathematics
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Use Taylor's formula to find the requested approximation of 
near the origin.Quadratic approximation to 
A. 10x + y - 50x2 - 5xy - 
y2
B. 1 + 10x + y - 50x2 - 10xy - 
y2
C. 10x + y - 50x2 - 10xy - 
y2
D. 1 + 10x + y - 50x2 - 5xy - 
y2
Mathematics
Find all solutions of the equation in the interval [0, 2?).(8 sec x - 16)(4 sec x - 4) = 0
A. 
B. 
C. 
D. 
Mathematics
Graph the solution of the system.
A. 
B. 
C. 
D. 
Mathematics
Graph the quadratic equation on [-10, 10] by [-10, 10]. Does this window give a complete graph?f(x) = -4x2 + 2x - 1
A. 
No
B. 
Yes
C. 
Yes
D. 
No
Mathematics