Answer:
G(2) = 2(2) - 8(2) - 10
G(2) = 4-16-10
G(2) = -2
G(5) + 12 = (2(5) - 8(5) - 10) + 12
G(5) + 12 = (10-40-10) + 12
Step-by-step explanation:
G is the function, the number written in brackets in front of it I.e. (5), (2) etc. Is the number you input in the function