Evaluate the function f left parenthesis x right parenthesis equals 7 x plus 5 at the given values of the independent variable and simplify.a. f left parenthesis negative 9 right parenthesis b. f left parenthesis x plus 5 right parenthesis c. f left parenthesis negative x right parenthesisa. f left parenthesis negative 9 right parenthesisequalsnothing (Simplify your answer.)b. f left parenthesis x plus 5 right parenthesisequalsnothing (Simplify your answer.)c. f left parenthesis negative x right parenthesisequalsnothing(Simplify your answer.)
