Answer:
See below
Step-by-step explanation:
<u>If you just want the tip</u>
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<u>If you want the total bill</u>
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Answer:
Step-by-step explanation:
Answer:
x = 96
Step-by-step explanation:
Answer:
I don't think that there is two same results. sorry I couldn't help
Step-by-step explanation:
for I the answer should be 10 if you replaced each x by 2. f(2) = 3(2) + 4
and for II it will be f-1(4) = 3-1(4) - 4 /5 the answer will be -1.
for III it should be y = 8 or 4