Perform the indicated operation and simplify.
+ 
+ 
A. 
B. None of these
C. 
D. 
Answer: C
Mathematics
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Solve the initial value problem.
= 7 - e-t, y(1) = 
, y'(0) = -3
A. y = 
- e-t
B. y = 
- e-t - 3t
C. y = 7t2 + e-t - 4t - 3 - 
D. y = 
- e-t - 4t + 
Mathematics
Graph the solution set of the system.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Determine whether the lines are parallel, perpendicular, or neither. 9x + 3y = 12 and 24x + 8y = 34
A. Perpendicular B. Neither C. Parallel
Mathematics
Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
local maximim
B. 
saddle point; 
C. 
saddle point
D. 
local minimum; 
local minimum
Mathematics