Answer:
8x^4+9x^3+4x-1
Step-by-step explanation:
(6x^3 – 5x^2 + 3x – 5) + (8x^4 + 3x^3 + 5x^2 + x + 4)
Group like terms
8x^4+6x^3+3x^3-5x^2+5x^2+3x+x-5+4
8x^4+9x^3+4x-1
Answer:
I did the math the answer is 90
Step-by-step explanation:
if you multiply 15 by 6 you get 90
Answer:


Step-by-step explanation:
Given

Solving (a): 
We have:

Express f(x) as y

Swap x and y

Add 8 to 


Square both sides

Rewrite as:

Express y as: 

To determine the domain, we have:
The original function is 
The range of this is: 
The
of the
function is the
of the
function.
<em>Hence, the domain is:</em>

Answer:
The third one ![\sqrt[3]{15}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B15%7D)
Step-by-step explanation: