Which of the following is a nonlinear function? A.
During a storm, a team of researchers calculates the rain is falling at a rate of 1.2 centimeters per hour.
B.
Ronald has a car that depreciates in value by 11% every year.
C.
Sam's weekly pay increases by $50 every year stays at the same job.
D.
Edith is a member of a magazine subscription program. She pays $11 for five magazines.

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?