Question 2 1 pts (-6x + 13y-16z = -39 which matrix represents the linear system of equations: 2x + 5y + 7z= 21 (12y-10z 24 -161-391 -6 13 2 5 7 21 12 -10 24 [-39 6 13 -161 21 2 5 7 -101 0 24 12 -6 13 -161 2 7 0 12 -10. 6 13 16) 2 7 12 10 n

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )