Hello,
-2<1 ==> f(x)=3x²-1 =>f(-2)=3*(-2)²-1=3*4-1=12-1=11
(ab)^4 means ab times itselv 4 times
multicplication is comutaive so
a^4b^4
2nd option is answer
Answer:
1:7
Step-by-step explanation:
I may be wrong but try to check it over and see if it’s correct.
Answer: X is less than 3
Step-by-step explanation:
4x - 7 < 5
Add 7 to both sides:
4x < 12
Divide both sides by 4:
x < 3