What is the main function of a telescope?

it brings scientists closer to distant objects.

it magnifies light received from distant objects.

it measures the temperature of distant objects.

it measures the wavelengths of incoming light rays

Explanation :

Telescope is an instrument which is used to magnify distant objects bright, consistent and large.

The function of an ideal telescope must be :

There are many types of Telescope like:

Hence, the correct option is (b) " It magnifies light received from distant objects ".

pretty sure it's false

we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .