Question

Identify the visual effect in case of graphically transforming the function $f\left(x\right)$ to $cf\left(x\right)$.

• A. Stretch vertically by $c$
• B. shrink vertically by $c$
• C. Stretch vertically by $1/c$
• D. None of these

Answer 1

The correct option is A Stretch vertically by $c$

From $f\left(x\right)$ to $cf\left(x\right)$,the graph is stretched vertically by $c$.