Answer:
(f-g)(x) = - 3 x² + 3 x -6
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given function f(x) = x² + x - 5
g(x) = 4 x² - 2 x + 1
(f-g)(x) = f(x) - g(x)
= x² + x - 5 - (4 x² - 2 x + 1)
= x² - 4 x² + x + 2 x - 5 -1
= - 3 x² + 3 x -6
4/5 = 80/100 = 80%
4/5 = 0.8
A.) distance from town p and town q is 270 km
B.) the speed of car is 85.17 km/h
Answer: 13 groups
78/6 = 13