Find the dot product v ? w.v = -4i,
w = j
A. 0
B. 
C. -3
D. -4
Answer: A
Mathematics
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Find the first three nonzero terms of the Maclaurin expansion of the given function.f(x) = 
(ex + e-x)
A. x - x2 + x3 - ...
B. 1 + 
x2 + 
x4 + ...
C. x + 
x3 + 
x5 + ...
D. 2x + 
x3 + 
x5 + ...
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.49x2 + 48 = -98x
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Decide if the system has one solution, no solution, or an infinite number of solutions. x + y = 3 x + y = 6
A. One Solution B. Infinite number of solutions C. No Solution
Mathematics
Solve the equation.12x + 21 = 5x + 56
A. 5 B. -5 C. -8 D. 8
Mathematics