Answer:
[tex]f(1) = - 8[/tex]
Step-by-step explanation:
[tex]f(x) = - 7x - 1 \\ f(x) = - 8 \\ therefore \\ - 7x - 1 = - 8 \\ - 7x = - 8 + 1 \\ - 7x = - 7 \\ x = ( - 7) \div ( - 7) \\ x = 1 \\ therefore \\ f(1) = - 8[/tex]
