The answer is the the second one
Answer:
f^-1(x) = x + 4
Step-by-step explanation:
Time used for the call to Zurich: ($5-$1.25)/$0.25=15 minutes
15minutes+3minutes=18minutes
Time used for the call to London: ($7.25-$1.25)/$0.25=24 minutes
24minutes+3minutes=27minutes
Difference between the two calls:27-18=9minutes
Answer:
9000 milligrams
Step-by-step explanation:
One gram is the <em>equivalent of 1000 milligrams</em>.
So, <em>9 grams is 9*1000 milligrams</em>, which is 9000 milligrams.
