Answer:
x = 11
Step-by-step explanation:

and check:

Answer: Answer is f(x) = 25x4 - 7x2 + x + 4
Step-by-step explanation:
$20/5 is $4, so for every increase in temperature, it's 4 (1°=$4). So 9*4=36. So your answer is B.
Answer:
125
Step-by-step explanation:
