Answer:
g(3) = - 5
Step-by-step explanation:
Given
g(n) = g(n - 1) - 7.5 and g(1) = 10, then
g(2) = g(2 - 1) - 7.5 = g(1) - 7.5 = 10 - 7.5 = 2.5
g(3) = g(3 - 1) - 7.5 = g(2) - 7.5 = 2.5 - 7.5 = - 5
