Consider the equation below. (If an answer does not exist, enter DNE.)
f(x) = x2 − x − ln(x)
Find the interval on which f is concave up. (Enter your answer using interval notation.)

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .

Drag each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate