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Answer:
W(x) = 0.06x +30
Step-by-step explanation:
The withholding on the student's salary is ...
W(S(x)) = 0.10(0.60x +300) = 0.06x +30
Where x is the number of ice cream bars sold, the withholding is ...
W(x) = 0.06x +30
Answer: 8
Step-by-step explanation:
The discriminant is 
in the equation:

A = -1, B = 4, C = -2
plug into equation


⇒ 
Answer: a number x is greater than it equal to -2.75
Step-by-step explanation:
x + 9 • 4 >(or equal to) -2
-9 -9
4x - 11
4x > -11
/4 /4
x > (or equal to) -2.75