Answer:
5
Step-by-step explanation:
Put -2 where x is and do the arithmetic.
f(x) = 2x² -3
f(-2) = 2(-2)² -3 = 2(-2)(-2) -3 = 8 -3
f(-2) = 5
Answer:Yes its correct!(good job)
Step-by-step explanation:If you want to doubule check just count the tens carefully and if your still sketchy about it just cir cle the ones you counted hope this helped!
C=8/3 xy
Downloaded Photomath. That app is the best. Shows you how to get the answer along with the answer so you can learn how to do it for test.