As a Particle Moves Along a Straight Path, Its Speed

question 41

Multiple Choice

As a particle moves along a straight path, its speed v (in cm/sec) at time t (in seconds) is given by the equation below. For what subintervals of the time interval [0, 8] will its speed be at least 15 cm/sec?

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Definitions:

Returns To Scale

The rate at which production output increases as a result of a proportional increase in all inputs or resources.

Marginal Product

The increase in output resulting from a one-unit increase in the input, keeping all other inputs constant.

Factor X

A placeholder term for an unspecified or unknown factor that can influence outcomes in a given situation or calculation.

Production Function

A production function is an equation that relates the quantity of output produced to the quantities of inputs used in production.