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If h(x) = x2-5x + 7
find: h(-5)


Sagot :

Answer:

h(-5)=22

Step-by-step explanation:

Replace x with -5.

[tex]h(-5) = (-5)2-5(-5) + 7[/tex]

Simplify.

[tex]h(-5)=-10+25+7[/tex]

Simplify.

[tex]h(-5)=22[/tex]

It is −3)=57. Explanation: Hence h(x)=5x2−4x then just replace x for −3. h(−3)=5⋅(−3)2−4⋅(−3)⇒h(−3)=45+12⇒h(−3)=57