Answer the question or provide an explanation.True or false? If a function f has an inverse function, then f is one-to-one.
A. True
B. False
Answer: A
Mathematics
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Find the velocity vector in terms of ur and u?.r = 2 cos 2t and ? = 4t
A. v = (-8 sin 4t)ur + 4cos 4tu? B. v = (4 sin 2t)ur + 8cos 2tu? C. v = (-4 sin 2t)ur + 8cos 2tu? D. v = (-2 sin 2t)ur + 8cos 2tu?
Mathematics
Determine whether the given point is in the solution set to the given system.(36, 14)y = 
+ 8y = 
A. No B. Yes
Mathematics
Graph the solution of the system of inequalities.  figure 1.png)
What will be an ideal response?
Mathematics
Solve the problem.Draw a tree diagram for the experiment of tossing a coin once then spinning the spinner once. 
A. 
B. 
C. 
D. 
Mathematics