Solve the equation on the interval 0 ? ? < 2?.tan(2?) - tan ? = 0
A. {0, ?}
B. 
C. {0}
D. 
Answer: A
Mathematics
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Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = cosh2 t
B. ? = sinh2 t
C. ? = 
D. ? = 
Mathematics
Solve.
+ 6 = 7
A. x = 4 B. x = 41 C. x = 3 D. x = 39
Mathematics
Find the inverse of the function.f(x) = x + 6
A. f-1(x) = 
B. f-1(x) = -x + 6
C. f-1(x) = x - 6
D. f-1(x) = 6 - x
Mathematics
Solve the problem.Gary can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 37 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 5
mph
B. 7
mph
C. 7
mph
D. 4
mph
Mathematics