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Furkat [3]
3 years ago
5

if f(x) = [sqrt{1-x^2}] and g(x) = [sqrt{x}] What is the domain and range for (f+g)of and go(f*g)=?

Mathematics
1 answer:
alisha [4.7K]3 years ago
3 0
We are given with two equations bearing a square root sign within. In this case, the goal of f(x) is to have a value of x not greater than 1 and not less than -1. g(x) should have x only equal to  positive numbers. Hence the domain for (f+g) is equal to the positive numbers greater than or equal to 1.in 2. we multiply both functions to give sqrt of x*(1-x2). the domain should be also positive numbers greater than or equal to 1. 
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Answer:

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Step-by-step explanation:

This is a case of plugging in the value into f(x).

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So here I'll take a break to explain what's going on, because x+2 is a binomial meaning two terms and it is being squared I have to multiply the whole thing by itself. Meaning: (x+2) x (x+2), this is also known as foiling!! and for the next part its distributing 6 into x and 2.

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I'll reorder it

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6 0
2 years ago
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7 0
3 years ago
Could you show it step by step please and thank you
m_a_m_a [10]
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3. Not sure

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Hoped I helped!
8 0
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