How many ounces of gold are in aa 1414-karat gold chain that weighs 2.52.5 ounces?
2 answers:
Solution:
we have been asked to find
How many ounces of gold are in aa 14-karat gold chain that weighs 2.5 ounces?
14 -Karat Gold means 14 parts of gold in the 24 parts of the Gold chain.
So the ratio of pure gold is
So the pure gold in 2.5 ounces of gold chain can be given as below
Hence there is 1.5 Ounce of pure gold in the 14-karat gold chain that weighs 2.5 ounces.
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<h3>Answer: Choice D</h3>
Domain = [-3, infinity)
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Work Shown:
In step 2, we replaced every x with g(x)
In step 3, we plugged in g(x) = sqrt(x+3)
The domain of g(x) is [-3, infinity), so this is the domain of as well since the composite function depends entirely on g(x). Put another way: the input of f(x) depends on the output of g(x), so that's why the domains match up.