9514 1404 393
Answer:
59
Step-by-step explanation:
Put 5 where t is and do the arithmetic.
If f(x) = x^2 - 4x + 3, and the domain is {-2, 0, 1}, what is the range?
1 answer:
Evaluate the function at the three values of the range and see what you get. The appropriate choice is ...
... D) {15, 3, 0}
_____
Evaluation can sometimes be simpler if you rearrange the function to a form called "Horner's form."
... f(x) = (x -4)x +3
Then the evaluation looks like (for x=-2) ...
... f(-2) = (-2-4)(-2)+3 = (-6)(-2) +3 = 12 +3 = 15
This is sufficient to identify D as the answer of choice.
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