Answer:
x = -4
Step-by-step explanation:
Step 1: Define
j(x) = 3x + 1
j(x) = -11
Step 2: Substitute and solve for <em>x</em>
-11 = 3x + 1
-12 = 3x
3/5
sinA = opp/hyp
= 21/35
= 3/5
x=root[3]{-1.500}=-1.14471