Solve the problem.Find x so that the vectors v = i - xj and w = -4i - 3j are orthogonal.
A. - 
B. - 
C. 
D. 
Answer: C
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 3, u '(1) = -5, v(1) = 7, v '(1) = -2.
at x = 1
A. 
B. 
C. - 
D. - 
Mathematics
Construct a truth table for the statement.~(s ? t) ? ~(t ? s)
A. 
| T | T | F |
F T T
F F F
B.
| T | T | F |
F T F
F F T
C.
| T | T | F |
F T F
F F F
D.
| T | T | F |
F T T
F F F
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
(
+ 
)
A. 441 + 7
B. 21 + 49
C. 21 + 7
D. 42
Mathematics
Multiply.(2)(-6)
A. -12 B. -24 C. 12 D. -2
Mathematics