Hello,
-2<1 ==> f(x)=3x²-1 =>f(-2)=3*(-2)²-1=3*4-1=12-1=11
Step-by-step explanation:
answer is B
use unitary method to solve it
Answer: 310
Step-by-step explanation:
35-15= 20
6200 / 20 = 310
11, -8, and 7 are the answers...
Please mark as brainliest... I really need it...