Answer:
f(4) = -4
Step-by-step explanation:
f(x) = 4x - 20
Let x= 4
f(4) = 4*4 - 20
Multiply first
= 16 -20
Then subtract
= -4
a₅=27.
1) according to the condition the given subsequence is arithmetic sequence. It means, the a₁=7 and d=5, then
2) a₅=a₁+4*d; => a₅=7+4*5=27.
The answer is 1/2
please see the attached picture for full solution
Hope it helps
139.71
22% of 179.11 is 39.40
179.11 - 39.40 = 139.71
