Question

Please Help, I'm stuck on this question .

Answer 1

Answer:

24y^15 - 24y^10 + 7

Step-by-step explanation:

f(2y^5)

= 3(2y^5)^3 - 6(2y^5)^2 +7

= 3(8y^15) - 6(4y^10) + 7

= 24y^15 - 24y^10 + 7