Evaluate the limit.
= (2e-t i + 8e-t j)
A. 
i - 4j
B. - 4j
C. i + 4j
D. 4j
Answer: C
Mathematics
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Identify the expression as a monomial, binomial, trinomial, or none of these.-19y5 + 2y4 - 3
A. Trinomial B. Binomial C. Monomial D. None of these
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Find the component form of the indicated vector.Let u = 
, v = 
. Find v - u.
A. 
B. 
C. 
D. 
Mathematics
Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.cos x - cos x sinx = cos3 x
A. 
B. ?
C. 0
D. 
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 6x - 6, g(x) = 
x + 1
A. Yes B. No
Mathematics