Evaluate the function.f(x) = x2 + 5x - 7; Find f(3).
A. 1
B. -13
C. 31
D. 17
Answer: D
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the rectangular solid whose base is the triangle with vertices at 
and 
, and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Determine if the vector u is in the column space of matrix A and whether it is in the null space of A.u = 
, A = 
A. In Col A and in Nul A B. Not in Col A, in Nul A C. Not in Col A, not in Nul A D. In Col A, not in Nul A
Mathematics
Subtract.70 - (-20)
A. -50 B. 90 C. 50 D. -90
Mathematics
Find the equation of the line that has the given slope and passes through the given point.m = - 
, (3, 4)
A. y = 
x - 
B. y = - 
x - 
C. y = - 
x + 
D. y = - 
x - 
Mathematics