Find the transform of the given function of s.F 
= 
A. f 
= e5t 
B. f 
= e-5t 
C. f 
= e-5t 
D. f 
= e-4t 
Answer: B
Mathematics
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Solve the equation on the interval [0, 2?).sin x - 2 sin x cos x = 0
A. 0, 
, ?, 
B. 
, 
C. 
, ?, 
, 2?
D. 
, 
, 2?
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The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = (x - 7)2
B. f-1(x) = x2 - 7, x ? 0
C. f-1(x) = x2 + 7, x ? 0
D. f-1(x) = 
Mathematics
Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = 3(4x) - 48
A. {2}; (-?, 2); [2, ?) B. {-2}; (-?, -2); [-2, ?) C. {2}; [2, ?); (-?, 2) D. {2}; (-?, 2]; (2, ?)
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 
A. - 
B. 
C. - 
D. 
Mathematics