Solve the Problem $t \geq 0$ , the Velocity of a Body Moving Along the S-Axis

question 104

Multiple Choice

Solve the problem.
-At time $t \geq 0$ , the velocity of a body moving along the s-axis is $v = t ^ { 2 } - 10 t + 9$ . When is the body's velocity increasing?

• A) t < 9
• B) t < 5
• C) t > 9
• D) t > 5

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