If the Point $(2,7)$ Lies on the Graph Of $y=f(x)$ , Determine a Point on the Graph of Each Equation

Short Answer

If the point $(2,7)$ lies on the graph of $y=f(x)$ , determine a point on the graph of each equation.
(a) $y=f\left(\frac{1}{2} x\right)$
(b) $y=f(4 x)$