Cant get wrong

jason is training for a marathon bike ride. his average speed increased from 3 miles per hour to 6 miles per hour in 3 months. find the rate of change in the miles per hour that jason bikes. a) .5 mile per hour per month b) 1 mile per hour per month c) 2 miles per hour per month d) 3 miles per hour per month

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.

this excerpt is taken from the book “we shall not be moved : the women’s factory strike of 1909 “ and is written by joan dash. it is the story of the great strike when almost 30thousand women working in factories in america formed a union to fight unsafe working conditions, long working hours and miserable wages.

question: which best states the author’s purpose for including this information in the text?

answer: to challenge the reader’s ideas about a historical event