Which is the better unit price: $1.99 for a 3-ounce bottle or $2.49 for a 4-ounce bottle?
2 answers:
Answer:
The second option, $2.49 for a 4-ounce bottle.
Step-by-step explanation:
For the first option:
$1.99 for 3 ounces.
For 1 ounce,
For the second option:
$2.49 for 4 ounces.
For 1 ounce,
Since 0.6225 is cheaper/less than 0.6633..., the second option is better as you can get one ounce at a cheaper rate.
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Answer: D.The domain and range of the function are the same.
Step-by-step explanation: Given function f(x)=-√-x.
The given function is a square root function and we have minus sign in front of x inside square root.
A square root always defined for positive values or 0.
In order to get a positive number or 0 inside square root, let us solve the inequality:
On dividing both sides by -1, the inequality sign would get flip and we get
<h3>Domain:We can see that we have a negative sign in front of square root. So, the value of f(x) would be always a negative number or 0.
<h3>Therefore, range would also be :