Question number $9.$

Find

limx$7$f$($x$)$limx$7$f$($x$)$

using the function given below.

f$($x$)=5$x$+28$x$+1$x$<7$x$=7$x$>7$f$($x$)=\{5$x$+2$x$<78$x$=7$x$+1$x$>7$

$2222$

$35+235+2$

$88$

$1414$

$5+25+2$

None of the above