Answer:
I dont know if I can answer if I don't have more information then the question
Answer:
what???!!!! I don't understand! you can writen again
Answer:
3
Step-by-step explanation:
So we have the function:

To evaluate the value of f(-2), substitute -2 for x. Thus:

Square first:

Multiply:

Now, subtract:

So:

And we're done!
Answer:
1 a. warmer
b. -8 is closer
c. -2 degrees
d.his elevation is 10 ft below sea level
2 a.0
b. -300
c. -450
3 Basically a fraction is division so divide the numerator by the denominator to get the calculation. For example 2.1 divided by 1.5 equals 1.4.
-(-4) = 4, so the opposite, if I understand what they mean, would be -4.