Answer:
vertex = (- 3, - 8 )
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
f(x) = - 4(x + 3)² - 8 ← is in vertex form
with (h, k) = (- 3, - 8 ) ← vertex
Answer:
x³ + 11x² + 18x
Step-by-step explanation:
(x² + 2x)(x + 9)
<em>Step 1: Distribute x²+2x into x + 9.</em>
x³ + 2x² + 9x² + 18x
<em>Step 2: Combine like terms.</em>
x³ + 11x² + 18x
The area of this rectangle is x³ + 11x² + 18x.
It would jebdocoovigibibi
You should use youtube and learn how to do it, that's how i learned. you'll get frustrated but just pay attention.
Answer:
Step-by-step explanation:
- The function f(x) shows the number of cell tower users after "x" years from the year 2010.
- Then, the dependent varible of the function f(x) are the number of cell tower users after x years from 2010, and the independent variable of this function, "x", are the years that have passed since 2010, included 2010.
- This means that the independent variable should take the values of the years from 2010, which represent the domain (values that x variable can take), that are all the years between 2010 and 2019 (which is the present year).