Find the curvature of the curve r(t).r(t) = (3 + cos 6t - sin 6t)i + (4 + sin 6t + cos 6t)j + 9k
A. ? = 3
B. ? = 
C. ? = 3
D. ? = 
Answer: D
Mathematics
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Find the average value of the function f over the given region.f(x, y) = 6x + 10y; R = {(x, y): 0 ? x ? 8, 0 ? y ? 7}
A. 
B. 24
C. 59
D. 29
Mathematics
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = 4x2 - 8x + 8
A. vertex (1, 4)
intercept 
B. vertex (-1, 4)
intercept (0, 8)
C. vertex (-1, 4)
intercept 
D. vertex (1, 4)
intercept (0, 8)
Mathematics
Solve the equation and check.
A. x = 14 B. x = 17 C. x = 13 D. x = 10 E. x = 11
Mathematics
Simplify.100 × {[(6 - 0.025) ÷ 0.05] + (7.0 - 3.01)}
A. 1234.9 B. 1.2349 C. 12,349 D. 123,490
Mathematics