Answer:
−6a−12+3a
Step-by-step explanation:
Answer:
-25
Step-by-step explanation:
f(-12) means x = -12
so you just plug it in the equation and solve for x

Answer:
<em>(C). </em>
<em> = ( x + 4 )² ; x ≥ 0</em>
Step-by-step explanation:
1.98x10^9. move the decimal until you have one number in front of it. then keep the numbers that are not 0 after it. then count how many places you moved the decimal point and that's your power.