calculus

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correct me if I'm wrong please.

1. What is the value of Lim 2x+3/4x-5 when x>00 (infinity?)
a.-3/5
b.0
c.1/2 <.. my answer
d.1

2. An object moves according to the law s = t^2 + 5t - 8. What is the average rate of change of s with respect to t in the interval t to (t + delta t )?
a.2t + 5
b.2t + 6
c.2t + delta t + 5 <... my answer
d.2t + (delta t )^2 +5 delta t

  • calculus -

    both correct

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