Answer:
d. 18a² - 12a
Step-by-step explanation:
f(x) = 2x² + 4x
f(-3a) = 2(-3a)² + 4(-3a)
2(-3a)² + 4(-3a)
2(9a²) + (-12a)
18a² - 12a
Answer:
if it does not overlap then you just find the possibility if one occurs.
Step-by-step explanation:
9514 1440 393
Answer:
2744 m/s
Step-by-step explanation:
8 times the sea-level speed of sound is ...
8(343 m/s) = 2744 m/s
_____
At higher altitude, it will be slower.