Please help! Will mark Brainliest if the answer given is correct!

Mathematics

1 answer:

Irina18 [472]3 years ago

8 0

Answer:

Step-by-step explanation:

All numbers which start with a 3 are peachy: {30, 31, 32, 33, 34, 35, 36, 37, 38 and 39}

All numbers which finish with a 3 are peachy: {03, 13, 23, 43, 53, 63, 73, 83 and 93} (33 was included in the previous list)

There are 10 numbers in the first list and 9 in the second list. Therefore, there are 19 peachy positive 2 digit numbers

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The end behavior of a polynomial is determined entirely by the leading term. For example, $2x^4-x+1$ behaves the same way as $2x^4$ when $x$ is very large in magnitude. All the problems in the picture are more or less the same. I'll pick out two examples:

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1c) $f(x)=-4x(x-4)(x+2)$ has a leading term of $-4x^3$ , so $f(x)$ behaves like $-4x^3$ . When $x$ , we have $x^3$ , so that $-4x^3>0$ . This means $f(x)$ rises to the left. If $x>0$ , then $-4x^3$ , so $f(x)$ falls to the right.