Question

1. P(X) = 4X²+2X+1, hallar P(-2)
2. P(x+2) = 2x+1, hallar P(1)

3: P(2x+1) = -3x+2, hallar P(7)

Answer 1

1. P(-2)=4(-2)²+2(-2)+1

=4(4)-4+1=16-3=13

2. P(x)=2x+1-2

P(1)=2(1)+1-2

=2-1=1

3. P(2x)=-3x+2-1

P(x)=-3x+1/2

P(7)=-3(7)+1/2

=-21+1/2=-20/2=-10