Tolong d jawab yaa..

1. f (-4) = -2 . -4 + 6 = 8 + 6 = 14
f (-10) = -2 . -10 + 6 = 20 + 6 = 26
f (-1/2) = -2 . -1/2 + 6 = 1 + 6 = 7

2. g (2a + 5) = 4 (2a + 5) - 6 = 8a + 20 - 6 = 8a + 14

3. g (c) = 4x - 7
13 = 4x - 7
13 + 7 = 4x
20 = 4x
x = 20/4
x = 5
jadi, c = 5