Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
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Tell whether the angle is acute, right, obtuse, straight, or reflex.
A. Straight B. Obtuse C. Reflex D. Zero
Find the midpoint of the line segment joining the given points.
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Solve the problem.A baseball pitcher throws a baseball with an initial speed of 138 feet per second at an angle of 20° to the horizontal. The ball leaves the pitcher's hand at a height of 4 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 129.68t, y = -16t2 + 47.2t + 4 5.725 sec, 1.475 sec, 282.48 feet B. x = 129.68t, y = -16t2 + 47.2t + 4 2.863 sec, 1.475 sec, 3.985 feet C. x = 129.68t, y = -16t2 + 47.2t + 4 6.065 sec, 1.475 sec, 34.81 feet D. x = 129.68t, y = -16t2 + 47.2t + 4 3.032 sec, 1.475 sec, 38.81 feet
Let v be the vector from initial point P1 to terminal point P2. Write v in terms of i and j.P1 = (1, 1); P2 = (-6, 1)
A. v = 7j B. v = - 7j C. v = -7i D. v = 7i