<span>f''(x) means function is of grade 1
f(x) = ax + b
f'(x) = a
f'(5) = 1 </span>⇒ a = 1
f(4) = -2
f(4) = 1×4 + b
-2 = 4 + b
b = -6
f(x) = x - 6
Can u send me a picture of the question instead please because i dont understand what ur trying to ask..
Answer: 84,300,000
Simply move the decimal place to the right 7 places
The answer is the third choic, or the line with the same slope.