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Karo-lina-s [1.5K]
3 years ago
12

Evaluate ƒ(x) = –x2 – 4 for x = –3.

Mathematics
2 answers:
goblinko [34]3 years ago
4 0
F(x)= -2x-4 , x=-3

plug in -3, where ever x appears in the function 

f(-3)=-2(-3)-4

f(-3)=6-4  <-- remember two negatives make a positive when multiplied or divided.

f(-3)=2

........and since this is not an answer, are you sure you copied it down correctly? or can you answer non? 

NikAS [45]3 years ago
3 0
Remember order of operations
substitute -3 for x
f(-3)=-(-3)^2-4
f(-3)=-(9)-4
f(-3)=-9-4
f(-3)=-13

answer is A
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