jetblackcap jetblackcap
  • 25-08-2018
  • Mathematics
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Please please help if you can!

Please please help if you can class=

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Creati
Creati Creati
  • 25-08-2018

[tex] h(x) = x^{2} -5 [/tex]

Since x is equal to -7, substitute all the x's with -7.

[tex] h(-7) = -7^{2} -5 [/tex]

[tex] Parentheses \\ Exponents \\ Multiplication \\ Division \\ Addition \\ Subtraction [/tex]

Exponents is first:

[tex] -7^{2} = -7 \times -7 = 49 [/tex]

Your new equation is:

[tex] 49-5 [/tex]

Subtract:

[tex] 49 - 5 = 44 [/tex]

Your answer is:

[tex] h(-7) = \bf 44 [/tex]

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