Question

1. If p(x)=5 - 4x + 2x", find (i) p(0) (1) pl 3)
2. If p(y) = 4 + 3y - y2 + 5y”, find (i) p(0) (ii) p(2) (ii) p(-1)
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Answer 1

Answer:

5-4x+2x

1. p(0)

4+3y-y²+5y

1. p(2)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1.p(x)=5-4x+2x

if x=0

p(0)=5-4(0)+2(0)

=5-0+0

=5

if x=1

p(1)=5-4(1)+2(1)

=5-4+2

=1+2

=3

if x=3

p(3)=5-4(3)+2(3)

=5-12+6

=5-6

=-1

2.p(y)=4+3y-y2+5y

if p(y)= 0

p(0)=4+3(0)-(0)2+5(0)

=4+0-0+0

=4

if p(y)=2

p(2)=4+3(2)-(2)2+5(2)

=4+6-4+10

=10-4+10

=6+10=16

if p(y)= -1

p(-1)=4+3(-1)-(-1)2+5(-1)

=4-3+2-5

=1-3=-2