Plot the point whose polar coordinates are given.
A. 
B. 
C. 
D. 
Answer: A
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (cos 2t)i + (5 sin t)j
A. a = (-4 cos 2t)i + (-5 sin t)j B. a = (-2 cos 2t)i + (5 sin t)j C. a = (-4 cos 2t)i + (-25 sin t)j D. a = (4 cos 2t)i + (-5 sin t)j
Choose the expression which is equivalent to the given expression.
A. cot 3° B. cos 12° C. tan 12° D. tan 3°
Provide an appropriate response.What property of real numbers allows us to write (e + a)b = eb + ab?
A. commutative B. closure C. distributive D. associative E. none of the above
Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds