Answer:
an Injective function is a function that maps distinct elements of its domain to distinct elements of its codomain. In other words, every element of the function's codomain is the image of at most one element of its domain.
Step-by-step explanation:
-1 you change all the x values to -1 and then solve
Answer:
Yes he will have enough money to pay for the gift, and with that said, he will pay $23.10.
Step-by-step explanation:
All you have to do here is multiply 22 by 5%, which will get you 1.1, then you just add the 1.1 onto the $22 and you will have the total amount he has to pay.
The answer is choice D because if you combine the like terms, you get 15-23i
i hope that helps!!!!