Solve the problem.During each cycle, the vertical displacement s of the end of a robot arm is given by 
where t is the time. Find the expression for the instantaneous velocity of the end of the robot arm.
A. 8t3 - 15t2 + 6t - 2
B. 8t3 - 13t2 + 6t + 2
C. 2t3 - 15t2 + 3t - 2
D. 8t2 - 10t + 2
Answer: A
Mathematics
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Determine whether the equation is linear or nonlinear.
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A. linear B. nonlinear
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Graph the linear inequality in two variables.x + 3y ? -4
A. 
B. 
C. 
D. 
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Provide an appropriate response.Consider the selections of seven apples from a barrel of 75 apples. Is this a combination, a permutation, or neither?
A. Permutation B. Combination C. Neither
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Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal in length are marked.
A. right, isosceles B. acute, scalene C. acute, equilateral D. right, equilateral
Mathematics