PLEASE ANSWER ASAP A manufacture has been selling 1850 television sets a week at $480 each. A market survey indicates that for each $10 rebate offered to a buyer, the number of sets sold will increase by 100 per week.
A.) How large rebate should the company offer to a buyer, in order to maximize its revenue?
B.) What is the maximum revenue?
C.) If the weekly cost function is 148000+160x148000+160x, how should it set the size of the rebate to maximize its profit?
D.) What is the maximum profit?

Here's link to the

tinyurl.com/wtjfavyw

first option

a function is a relation in which an input is paired with exactly one output.

so, let's find the right answer.

in our first option, our inputs are january, february, and march. the outputs are 30, 28, and 25. each input has it's own output. this is correct!

our second option we know is incorrect, because ms. valverade has two outputs, dogs and cats. this is not a function.

our third option is incorrect as well. the yellow square has two ouputs, the square and the triangle.

lastly, in our fourth option, we see the number 7 two times with a different output. therefore, this is not a function.

remember: each input must be paired with only one output!

the f

last graph i believe

step-by-step explanation:

worked it out i believe