Given: 9a - 3b + c = -15
a-b+c= -3
4a + 2b + c = 5
Which of the following are points on the graph of the quadratic function (choose all correct answers)
(-1, -3)
(-3,-15)
(9-3)
(2,5)

Listed below are the measured radiation absorption rates? (in w/kg) corresponding to 11 cell phones. use the given data to construct a no plot and identify the 5- number summary

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.