15. The minimum value of f(x) = 13 - x + 7 is ...
a. O
c. 7
d. -7
b. 10
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Answer:
-7 is the answer.
Step-by-step explanation:
This one degree function of x may assume any value.
f(x)= 13-x+7 = 20-x
among the following options -7 is the minimum value of f(x). when x= 27
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