Please help.
Is algebra.

Nine more than four times a number is the same as one less than twice the number. find the number?

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units

Which of the following is the true for f(x) = 5cos