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Dvinal [7]
3 years ago
11

What is the value of (fog) (-5)

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0

f(x)=2x+1,\ g(x)=x^2\\\\(f\circ g)(x)=2(x^2)+1=2x^2+1\\\\(f\circ g)(-5)=2(-5)^2+1=2(25)+1=50+1=51

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If you travel 1000 feet in 5 minutes, what is your speed per minutes?
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Answer: 200 feet

Step-by-step explanation:

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A scuba diver used the expression below to describe his position in relation to sea level.
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A store is having a sale on jelly beans and trail mix. For 3 pounds of jelly beans and 2 pounds of trail mix, the total cost is
Nata [24]

the cost for each of jelly beans and each pound of trail mix is $2.5 and $1.75

<u>Step-by-step explanation:</u>

Given A store is having a sale on jelly beans and trail mix. For 3 pounds of jelly beans and 2 pounds of trail mix, the total cost is $11. For 5 pounds of jelly beans and 6 pounds of trail mix, the total cost is $23 . We have to find the cost for each pound of trail mix and each pound of jelly beans.

Let the cost of each pound of trail mix is $y.

and  the cost of each pound of jelly beans is $x.

According to question,

For   3 pounds of jelly beans and 2 pounds of trail mix, the total cost is $11.

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For 5 pounds of jelly beans and 6 pounds of trail mix, the total cost is $23

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Solving (1) and (2), we get

3(1 equation)-(2 equation)=0

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⇒  y=1.75

Hence, the cost for each of jelly beans and each pound of trail mix is $2.5 and $1.75 .

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