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PROBLEM 1-

Let \(A(t) = 3- 2t^2 + 4^t\). Find \(A(2) - A(1)\).

 

PROBLEM 2-

https://lh3.googleusercontent.com/-P6a4oonnb2I/YCwszflKIZI/AAAAAAAAHoU/TUZaXA-W-yYTNpVtzF1Yo9rY7Ugq_YnbwCK8BGAsYHg/s0/2021-02-16.png

 

PROBLEM 3-

Find all values of \(s\) such that \((s + 4)(s - 3) \le 0\). Give your answer as an interval.

 

PROBLEM 4-

Find all values of \(t\) such that \(8t^2 \le 3-10t\). Give your answer in interval notation.

 

PS: sorry about problem 2, my image files were glitching so I had to put it as a link

 Feb 16, 2021
 #1
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1. A(2) - A(1) = 11 - 2 = 9.

 

2. The solution is (-inf,-4) U (3,inf).

 

3. The solultion is [1/4,3/2].

 Feb 19, 2021

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