Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Find the tangent to y = cot x at x = 
.
A. y = -2x + 
B. y = 2x + 1
C. y = -2x + 
+ 1
D. y = 2x - 
+ 1
Answer true or false.15 ? {x | x is an even natural number}
A. True B. False
Determine the place value of the digit 3 in the whole number.1392
A. thousands B. tens C. ones D. hundreds
Solve the problem.A boy is flying a model airplane while standing on a straight line. The plane, at the end of a twenty-five foot wire, flies in circles around the boy. The directed distance of the plane from the straight line is found to be d = 25 cos 
where d is measured in feet and t is the time in seconds. If d > 0, the plane is in front of the boy; if d < 0, the plane is behind him. What is the amplitude? What is the period? Graph d over two periods beginning at t = 0. 
What will be an ideal response?