3 years ago

Help me plzzzzzzzzzzzzzzzzzzzz

Mathematics

2 answers:

Reptile [31]3 years ago

8 0

Answer:

Step-by-step explanation:

f(-3)=-(-3)²+7(-3)-13

=-9-21-13

=-43

Strike441 [17]3 years ago

7 0

Answer:

Step-by-step explanation:

$f(x)=-x^2+7x-13\\ \\ f(-3)=-(-3)^2+7(-3)-13\\ \\ f(-3)=-(9)-21-13\\ \\ f(-3)=-43$

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