Mathematics, 27.04.2021 20:10 jackparo9640
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1. How many real solutions does a quadratic equation have if its discriminant has a value that is (a) positive, (b) negative, and (c) zero?
2. Jack charges a flat fee of $55 to make a house call and check plumbing. He then charges an hourly rate of $40 per hour based on how long he is there. Write a function that describes how much Jack will charge for his service.
3. Find the 29th term of an arithmetic sequence with a1 = 2 and d = 5?
Hint: an = a1 + (n – 1)d
4. Given the explicit formula an = 6 + (n – 1) × –3, state a1 and d.
Answers: 3
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