Answer:
<h3>2nd Graph</h3>
Step-by-step explanation:
Explanation:
This is because that you could see that every time x increases, y is being multiplied by 2 every time. Also, the number is being multiplied constantly, so it is considered an exponential table. To tell whether if it is a growth or decay, you need to make sure that your y is multiplying and you start actually getting numbers higher. Therefore, it is the second answer
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To find the cost of each book, you need to divide the money spent on all of the books by the number of books.
$39 / 10 = $3.90 per book
Answer:
6. (a-4)(a+9)
7. (3p+4)(p-2)
8. Will explain below.
9. (5b+4)(5b-4)
Step-by-step explanation:
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6. -4*9 = -36 (the variable), 9-4 = 5 (a) , so a^2 +5a - 36 is fulfilled.
7. 4*-2 = -8, 4-2 = 2, so 3p^2 - 2p - 8 is fulfilled.
9. 25b^2 = (5b)^2
16 = 4^2
Using the difference of squares formula, a^2-b^2= (a+b)(a-b)
Answer:
C
Step-by-step explanation:it is talking about aminals
