Step-by-step explanation:
a:
g(10) = -3(10)+1
g(10) = -29
b:
g(x) = 16
-3x + 1 = 16
-3x = 15
x = -5
CHECK:
g(-5) = -3(-5) + 1
g(-5) = 15 + 1
g(-5) = 16
Hope that helps