Answer:when y = 5, the expression 3y^2 + 7y + 2 evaluates to 112.
Step-by-step explanation: To evaluate the expression 3y^2 + 7y + 2 when y = 5, we can substitute 5 for y in the expression and simplify.
Step 1: Substitute y = 5 into the expression:
3(5)^2 + 7(5) + 2
Step 2: Simplify the expression:
3(25) + 35 + 2
75 + 35 + 2
112