Answer:
Y=72
Step-by-step explanation:
First we set up the equation which is (20-2) times 4=Y
Then we solve, 20 minus 2 is risk since it is in the parentheses. 20 minus 2 is 18.
After that 18 times 4 is 72
k=0.7%=0.007
The best answer is 74,200
the answer would be= -2fx+3x^2+15+a/fx