tolong dongggg plllissss

14
lim(x->∞)  √(4x² +7x ) - √(4x² - 3)
a =p = 4
b = 7
q = 0
limit = (b- q)/2√a = (7/2√4) = 7/4

15. lim(x->∞) √(x² - 2x) - √(x+3)²
a=p = 1
b = -2
q = 6
limt  b-q/ (2√a) = (-2 -6)/(2)√1 = -8/2 = - 4

16. f(x)= x² - 3x + 5
f ' (x) = 2x  - 3