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  v(t) = 6t^2 +5

Step-by-step explanation:

Velocity is the derivative of position. The derivative of a sum is the sum of the derivatives of its terms. The power rule for derivatives is ...

  (d/dx)(x^n) = n·x^(n-1)

So, the derivative of d(t) is ...

  v(t) = 2(3t^2) +5(1t^0)

  v(t) = 6t^2 +5 . . . . matches choice C

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step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb