Question

Tolong bantuin y kak besok dikumpulnih. pake cara. yang serius ya. point nya gede lho. makasiii

Answer 1

2.
a) f(3) = 2x² + 3 = 2(3)² + 3 = 18 + 3 = 21
b) 101 = 2a² + 3
98 = 2a²
√49 = a
7 = a
c) 2(x-1)² + 3
2(2-1) ² + 3
2 + 3
= 5
d) (2(2) ² + 3)-1
(8+3) -1
11 -1
= 10