Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 
A. continuous for all real numbers except x = 3
B. continuous for all real numbers
C. continuous for all real numbers except x = 0
D. continuous for all real numbers except x = -3, x = 3
Answer: B
Mathematics
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Evaluate the integral. 
A. 
ln 
+ 
ln 
+ C
B. 
ln 
- 
ln 
+ C
C. 
et ln 
- 
et ln 
+ C
D. 
ln 
- 
ln 
+ C
Mathematics
Find the expression.If v = 4i + j and w = -2i + j ; Find 
.
A. 
B. 6
C. 
D. 2
Mathematics
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form. 5x + 41 = -6y-3x - 4y = 27
A. No solution B. (-2, -5) C. (-1, -6) D. (-1, -5)
Mathematics
Find the vertex.f(x) = -x2 + 6x - 14
A. (3, 5) B. (-3, -5) C. (3, -5) D. (5, -3)
Mathematics