2.1.4 journal: domain and range
mathematics sem 1
name
date
scenario: game night
instructions:
• view the video found on page 1 of this journal activity.
using the information provided in the video, answer the questions below.
• show your work for all calculations.
ernest's friend rolls a six-sided number cube and lands on square 8. she asks ernest
to guess what number she rolled. he guesses that she rolled a 3. she says he's
wrong.

Solve the system of equations. y= 2x y= x^2 - 15

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?