Find an equation of the line.
A. y = - 3
B. y = 3
C. y = - 3x
D. x = - 3
Answer: A
Mathematics
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Find the curvature of the curve r(t).r(t) = (10 + ln(sec t))i + (4 + t)k, -?/2 < t < ?/2
A. ? = -cos t B. ? = 1 - cos t C. ? = cos t D. ? = sin t
Mathematics
Match f(x) with its graph. Assume that a and b are constants with 0 < a < 1 < b.f(x) = xb
A. 
B. 
C. 
D. 
Mathematics
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = e4x - 5; relative to f(x) = ex
A. Shrunk horizontally;
moved down 5 unit(s)
B. Shrunk horizontally;
moved up 5 unit(s)
C. Stretched horizontally;
moved up 5 unit(s)
D. Stretched horizontally;
moved down 5 unit(s)
Mathematics
Simplify.84 ÷ [33 + (55 - 6) - 43] + 3 ? 9
A. 783 B. 34 C. 111 D. 90
Mathematics