YasmeenHussainduz answer plas and one more random person

How many zeros does the function f(x)=4x3-x2+1 have

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?