Help and explain plzzzzzz

Mathematics

1 answer:

lana66690 [7]3 years ago

3 0

D.) 2.13 < 2.3 is correct. This is stating that 2.3 is greater than 2.13, which is true. In the other possible answers, for example 4.15 > 4.51, this would be false because 4.15 is not greater than 4.51. The open end of the greater than or less than sign will always point to the bigger number.

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#43 please help have mid terms Tomorrow

nirvana33 [79]

Answer:

Job A is more profitable for nearly 49 months (or 50 months including the first month)

Job B is more profitable after 49 months (or 50 months including the first month).

Step-by-step explanation:

Let x be the number of months passed after first month

$2,000 for the first month with a $300 raise every month thereafter

Function describing this situation:

$f(x)=2,000+300x$

$1,500 for the first month with a 5% raise every month thereafter

Function describing this situation:

$g(x)=1,500\cdot (1+0.05)^x\\ \\g(x)=1,500\cdot 1.05^x$

Plot both graphs (see attached diagram). The diagram shows that the job A is more profitable for nearly 49 months (or 50 months including the first month) and the job B is more profitable after 49 months (or 50 months including the first month).