A textbook store sold a combined total of 258 psychology and history textbooks in a week. The number of history textbooks sold was 74 less than the number of psychology textbooks sold. How many textbooks of each type were sold?
Number of psychology textbooks sold:

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1

add an image

step-by-step explanation:

i would need to see the dot plot : )