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qwelly [4]
3 years ago
12

C + 20 - 13 = 100 im doing a test i need help

Mathematics
2 answers:
Lesechka [4]3 years ago
8 0
20-13 is 7 so c + 7 = 100. 100-7 is 93, so therefore c = 93! Hope this helps.
telo118 [61]3 years ago
6 0

Answer:

c is 93

Step-by-step explanation:

work backwards to get c

100 + 13= 113

113-20= 93

so your answer is 93

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Given function of f(x) = 2x - 1 and fg(x) = 10x + 3, find the function of g(x)​
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Answer:

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Step-by-step explanation:

Let us use the composite function to solve the question

∵ f(x) = 2x - 1

∵ f(g(x)) = 10x + 3

→ f(g(x)) means substitute x in f(x) by g(x)

∴ f(g(x)) = 2[g(x)] - 1

→ Equate the two right sides of f(g(x))

∴ 2[g(x)] - 1 = 10x + 3

→ Add 1 to both sides

∴ 2[g(x)] - 1 + 1 = 10x + 3 + 1

∴ 2[g(x)] = 10x + 4

→ Divide each term into both sides by 2

∵ \frac{2[g(x)]}{2} = \frac{10x}{2} + \frac{4}{2}

∴ g(x) = 5x + 2

∴ The function of g(x) = 5x + 2

7 0
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Answer:

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Using this method here, we see that g(7) intersects our line at (7, 4), so g(7)=4.

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