Sketch the curve of the vector function r(t) = 3ti + (3t + 8)j, -1?t?2, and indicate the orientation of the curve.
What will be an ideal response?
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Mathematics
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Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.5-2 - 4-3
A. 2
B. 
C. -13
D. 
Mathematics
Decide whether the relation is a function.{(-6, -3), (-3, -9), (4, 1), (6, -9)}
A. Function B. Not a function
Mathematics
Solve the problem.A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind?
A. 160 mph B. 200 mph C. 40 mph D. 80 mph
Mathematics
Determine whether the equation defines y as a function of x. 9x + x2 - 66 = y
A. function B. not a function
Mathematics