So we replace "x" with the necessary value (-7):
[tex]f( - 7) \: = \: 5(4 \: - \: ( - 7))[/tex]
[tex]f( - 7) \: = \: 5(4 \: + \: 7)[/tex]
[tex]f( - 7) \: = \: 5 \: \times \: 11[/tex]
[tex]f( - 7) \: = \: \boxed{ \bold{55}}[/tex]
Answer:
[tex] \boxed{ \bold{55}}[/tex]
MissSpanish
