Answer:
F(x)=4 means you plug in the 4 into where the variable is.
Step-by-step explanation:
Not really sure what your question meant but If you trying to find a problem with f(x)=4, then you plug in 4 into the variable of x.
Yes it is because the value is constantly raising.
Try photomath it might help
<h2>D. If subjects knew they were receiving an active treatment, researchers would not have known if any improvement was due to the new medication or to the expectation of <u>feeling </u>better. If the researchers knew which subjects received which treatments, they might have treated one group of subjects differently from the other group.</h2><h2 />
For your question... the answer would be D
It is the first statement. It is positive two, so it’s above sea level. We can immediately get rid of the last two statements. Then, it is negative 20. The is 18 feet below sea level, because 2-20 is -18. Positive 8 shows rising up by 8 feet. The correct statement is the first one.
