The function graphed with a solid line is the parent function, y=f(x) . Which of the following describes the transformed function, y=4f(x) , which is shown with a dotted line? (1 point) Responses The parent function has been vertically compressed by a factor of 14. The parent function has been vertically compressed by a factor of Start Fraction 1 over 4 End Fraction . The parent function has been vertically stretched by a factor of 14. The parent function has been vertically stretched by a factor of Start Fraction 1 over 4 End Fraction . The parent function has been vertically compressed by a factor of 4. The parent function has been vertically compressed by a factor of 4. The parent function has been vertically stretched by a factor of 4.