Answer:
25y^2
Step-by-step explanation:
A = (side)2
A = (5y)2
A = 25y2
f(x)=x² +3x-x/2
f(6)=(6)²+3(6)-6/2
= 36 + 18 -3
=51
The number 1 is not necessary when expressing powers of one. For example, you needn't write "5" as .