Can somebody help me out ??

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4