$($a$)\backslash (\backslash$mathrm$\{$P$\}(7)=25\backslash )$

$($b$)\backslash (\backslash$mathrm$\{$P$\}^\{\backslash$prime$\}(7)=3\backslash )$

$($a$)$ Choose the correct answer below.A$.$ The percentage of likely voters to not support the candidate $7$ weeks after entering the race is $\backslash (25\backslash \%\backslash ).$B$.$ The percentage of likely voters to not support the candidate $25$ days after entering the race is $\backslash (7\backslash \%\backslash ).$C$.$ The percentage of likely voters to support the candidate $25$ days after entering the race is $\backslash (7\backslash \%\backslash ).$D$.$ The percentage of likely voters to support the candidate $7$ weeks after entering the race is $\backslash (25\backslash \%\backslash ).$

$($b$)$ Choose the correct answer below.A$.7$ weeks after entering the race, support for the candidate increased by approximately $3$ percentage points in the next week.B$.3$ weeks after entering the race, support for the candidate decreased by approximately $7$ percentage points in the next week.C$.7$ weeks after entering the race, support for the candidate decreased by approximately $3$ percentage points in the next week.D$.3$ weeks after entering the race, support for the candidate increased by approximately $7$ percentage points in the next week.