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plsss help I don’t understand this

Plsss Help I Dont Understand This class=

Sagot :

Upendoidn

B is the correct option.

1. Given eqn;

S(t) = 1/2t² - 4t + 8

2.Differentiate the above eqn with respect to t;

d(S(t)) = t - 4

dt

When distance, S, is differentiated it results to velocity.

V = t - 4

at t = 10

V = 10 - 4

V = 6 feet/s

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