Answer:
-21
Step-by-step explanation:
We can use the opposite operation and subtract 4.3 from -16.9 to find out what w is. From that, we will get -21.
(I'm really sorry, I'm bad at explaining things but I hope this helped)
F(-5) = 2(-5)² + 3(-5) + 7
f(-5) = 2(25) - 15 + 7
f(-5) = 50 - 8
f(-5) = 42
Answer:
x=ln(12)/ln(4)-2
Step-by-step explanation:
4^(x+2)=12
x+2=ln(12)/ln(4)
x=ln(12)/ln(4)-2
-21.8+18.3
or 18.3-21.8
or the answer which is -3.5