Find the answer using a number line

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.