First question answer is B.
Second question answer is D.
3^2 = 9, 7 x 9 =63
**In case you're wondering why 3 square root 7 equals to square root 63.
Hope this helps.
Answer:
Step-by-step explanation:
9. f(g(-n))
g(-n) = -(n²+5) = -n²-5
f(g(-n)) = 2n+1 (-n²-5 )
2n(-n²-5)+1(-n²-5 )
-2n³-10n-n²-5
-2n³-n²-10n-5
n²(-2n-1) +5(2n-1)
(n²+5)(2n-1)
10. (2x+2)(x³+3)
2x(x³+3)+2(x³+3)
2x⁴ + 2x³ +6x +6
2x³(x+1)+6(x+1)
(2x³+6)(x+1
I think it is 150 but i am not that suere.
Answer:
x=2
9+2=11
6+2=8
8x11+88
Step-by-step explanation: