Answer:
Swapping two numbers means exchange the values of two variables with each other.
f(x) = x² + 1, x > 0
y = x² + 1
x = y² + 1
x - 1 = y²
√x - 1 = y
√x - 1 = f(x), x > 1
Answer:
I don't know? How do you feel about them?
Explanation:
<h2>Answer:</h2>
<u>The correct option is</u><u> (B) hang up and call back using the banks official phone number</u>
<h2>Explanation:</h2>
There are a lot of cases where people pretend to call from the banks where the receivers have the account. The caller tries to take the information from the receiver and pretends to be the bank official. If there is any doubt then the receiver should hang up the call and call back the official number of the bank to confirm that whether somebody has called from the bank to get the information.
I think the correct answer among the choices given is option A. Manipulative aids are not technological aids. It refers to items that is used to support hands-on learning like markers, toothpick or coins. Technological aids, on the other hand, are things which makes use of the new technology present like slideshows, DVD's, audioclips and projectors.
