Question 10 of 11 Which statement correctly compares the function shown on this graph with
the function y = 7x - 10?

A. The function shown on the graph has a greater rate of change and
a higher starting point.
B. The function shown on the graph has a greater rate of change, but
a lower starting point.
C. The function shown on the graph has a smaller rate of change, but
a higher starting point.
D. The function shown on the graph has a smaller rate of change and
a lower starting point.

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.