21 or two-one also known as the number after 22 and the number before 23. Hope this helped. ;)
Simply plug in x = 0
f(x) = x^2 - 5
f(0) = 0^2 - 5
f(0) = -5
Answer: -5
<h2>
Answer:</h2><h2>
The population of the city after 7 years = 569,859</h2>
Step-by-step explanation:
The population of the city of Miami = 463,300
The rate of increase in population every year = 3%
The population of the city after 7 years = ?
By formula, 
Pn is the population after 7 years
P is the current population = 463,300
r = 3 %, n = 7

= 463300 (1.23)
= 569859
The population of the city after 7 years = 569,859
if i am right you would multiply x= -3 by -3 and you get 9 so you would do the same thing to the y as well so y= -7 and you multiply it by -3 and then y= 21
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