p(x)=xsquare+5x-4 then find p(1)-p(-1)
Answers
Answered by
1
Step-by-step explanation:
p(1) = (1)^2+5(1)-4
= 1+5-4 = 2
p(-1) = (-1)^2 + 5(-1)-4
= 1-5-4
=-8
p(1)-p(-1) = 2-(-8) = 2+8=10
Answered by
2
Step-by-step explanation:
x²+ 5x -4
i) p(1) = x=1
x²+ 5x -4
1² +5*1 -4
1 + 5 -4
6-4 =2
p(1) =2
ii) p(-1) = x= -1
x²+ 5x -4
(-1)² + 5(-1) -4
1 -5 -4
= 1-9
= -8
so (p1)- (p-1)
2 - (-8)
2+8
=10
plz mark it brainliest answer
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