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Zielflug [23.3K]
3 years ago
10

Evaluate each expression using the values in the given table. x minus−3 minus−2 minus−1 0 1 2 3 ​f(x) minus−9 minus−7 minus−5 mi

nus−3 minus−1 1 3 ​g(x) 3 2 1 0 minus−1 minus−2 minus−3 ​(a) ​(fcircle◦​g)(negative 1−1​) ​ (b) ​(gcircle◦​f)(11​) ​ (c) ​(fcircle◦​f)(11​)
Mathematics
1 answer:
Ymorist [56]3 years ago
6 0
A) (f∘g)(-1) = f(g(-1)) = f(1) = -1
b) (g∘f)(1) = g(f(1)) = g(-1) = 1
c) (f∘f)(1) = f(f(1)) = f(-1) = -5
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Cary is 4 years older than Dan. In 7 years the sum of their ages will be 76
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Ages of Dan and Cary are 29 and 33 respectively.

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

Step 1:

Form equations out of the given details. Let the age of Dan be x, then age of Cary is x + 4.

In 7 years, sum of their ages = 76

⇒ (x + 7) + (x + 4 + 7) = 76

⇒ 2x + 18 = 76

⇒ 2x = 58

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Step 2:

Calculate age of Cary.

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Answer:

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Step-by-step explanation:

\frac{(t-r)}{3}

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