Answer:
8
Step-by-step explanation:
Evaluate 7 (x - 1) + 8 where x = 1:
7 (x - 1) + 8 = 7 (1 - 1) + 8
1 - 1 = 0:
7×0 + 8
0×7 = 0:
0 + 8
0 + 8 = 8:
Answer: 8
f(1)=7(1-1)+8
f(1)=0+8
f(1)=8
