Answer:
Step-by-step explanation:Sure! To find the value of P(3) for the polynomial rule P(x) = 5x^2, we just need to substitute x = 3 into the rule and simplify:
P(3) = 5(3^2) (Substitute x = 3)
= 5(9) (Evaluate 3^2)
= 45 (Multiply 5 by 9)
Therefore, P(3) = 45 when P(x) = 5x^2.