Question

If p(x)=x²-4,then find p(-1) and p(4)

Answer 1

Answer:

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Step-by-step explanation:

p(x) = x² - 4

p( - 1) = ( - 1)² - 4

= 1 - 4

= - 3

p(4) = (4)² - 4

= 16 - 4

=12

Answer 2

p(-1) = 3 ; p(4) = 12

Step-by-step explanation:

p(x) = x² - 4

p(-1) = (-1)² - 4

= 1 - 4

= 3

p(x) = x² - 4

p(4) = 4² - 4

= 16 - 4

= 12

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