1 TIME REMAINING
58:44
Which set describes the domain of P(h)?
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Brenton's weekly pay, P(h), in dollars, is a function of
the number of hours he works, h He gets paid $20 per
hour for the first 40 hours he works in a week. For any
hours above that he is paid overtime at $30 per hour.
He is not permitted to work more than 60 hours in a
week.
O {hosh s40]
O {h0 Sh 360}
O {Phos P(h) 5 1,400}
O {P(h) Os P(h) 5 1,800}
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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.