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GaryK [48]
3 years ago
15

There are four more girls than boys in Ms. Raub's class of 28 students. What is the ratio of number of girls to the number of bo

ys in her class?
Mathematics
1 answer:
Alex73 [517]3 years ago
8 0
16:12

Subtract 4 from 28 then divide by 2.
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I don’t know how to do this
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To check for continuity at the edges of each piece, you need to consider the limit as x approaches the edges. For example,

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has two pieces, 2x+5 and x^2-10, both of which are continuous by themselves on the provided intervals. In order for g to be continuous everywhere, we need to have

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The limits match, so g is continuous.

For the others: Each of the individual pieces of f,h are continuous functions on their domains, so you just need to check the value of each piece at the edge of each subinterval.

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