Answer:
14a^2
Step-by-step explanation:
3a^2+4a^2+7a^2
Combine like terms
Factor out a^2
a^2(3+4+7)
a^2(14)
14a^2
Answer:
x=3
Step-by-step explanation:
Answer:
D
Step-by-step explanation: since it is a open dot to the right it’s x>-3 open dot means less than or greater than going to right means greater than
Reflection over the x-axis, vertical shift scale factor 3, horizontal translation LEFT 3 units(opposite since there are parenthesis), vertical translation down 7 units.