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tino4ka555 [31]
2 years ago
8

Given the definitions of f(x) and g(x) below, find the value of (gºf)(-5).

Mathematics
1 answer:
jolli1 [7]2 years ago
5 0

Answer:

(g ○ f)(- 5) = 4

Step-by-step explanation:

evaluate f(- 5) then substitute the value obtained into g(x)

f(- 5) = (- 5)² + 6(- 5) + 3 = 25 - 30 + 3 = - 2 , then

g(- 2) = 2(- 2) + 8 = - 4 + 8 = 4

(g ○ f)(- 5) = 4

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C is x=1.5. Can’t be bothered to do the rest
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Solve the quadratic equation for x. What is one of the roots? (x − 5)2 = 9
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joanna went school supply shopping she spent $35.98 on notebooks and pencils notebooks cost $2.30 each and pencils cost $1.42 ea
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Step-by-step explanation:

Step 1 :

Let x denote the number of notebooks and y denote the number of pencils Joanna bought.

Cost of one notebook = $ 2.30

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Step 2 :

Total of notebooks and pencils bought  = 21

=> x + y = 21 => y = 21-x

Total cost of notebooks and pencils = $35.98

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Step 3 :

Answer :

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