Answer:
F=−4c 2 +7c+5
Step-by-step explanation:
For f(x), 6 represents x here, so we plug 6 in for x to get 2*6²+5√(6-2). Using PEMDAS, we get 72+5√4=72+5*2=72+10=82
Step-by-step explanation:
is a root of the quadratic
This quadratic isn't factorable so use the quadratic formula
The plus and minus sign after b means we going to have two roots.
The roots are
and
We subsitue those values for Beta.
27a.
27b.
25
3n^2+7n-6n-14+4n^2+6n= 7n^2+7n-14
Hope that helps and best of wishes!