The linear function $$f(x) = 4x$$ will graph as a line with slope $4\text{,}$ passing through the origin $(0,0)\text{.}$ Now, using translations, it would be easy to write the equations of similar lines. For example: The line with slope $4\text{,}$ passing through the point $(7,15)\text{,}$ may be thought of as the result of shifting $f(x)$ to the right by $7$ units, and up by $15$ units. What would be the equation of this new line? Answer: ? y=4(x+7)+15 y=4(x+7)-15 y=4(x-7)+15 y=4(x-7)-15