Hi I need help with these questions please 15-18

10'\" ...I e @e 4 Gmail 6 webassignnet 15. [I1 Points] ASK YOUR TEACHER PRACTICE ANOTHER Find a linear equation whose graph is the straight line with the given properties. WAN EFMAC'I 1.3.061. through (5, 20) with slope 4 y(X) :I Need Help? 15. [M Paints] WANEFMAC'I 15.2.0113. I MY NOTES ASKYOURTEACHER PRACTICE ANOTHER I Calculate E, E, El , and El when defined. (Ifan answer is undened, enter UNDEFINED.) 9x By BX (1, 1) By (1, 1) f(x,y)=2x2y3+x2 3r _ | 8x Br _ | By 3! _ j 3" (1. 1) 3f 7 j a (ll -1) Need Help? 17. [I2 Points] ASK YOUR TEACHER PRACTICE ANOTHER Class Scheduling Enormous State University's Math Department offers two courses: Finite Math and Applied Calculus. Each section of Finite Math has 80 students, and each sectian nf Applied Calculus has 70 students. The department will offer a total of 150 sections in a semester, and 11,200 students would like to take a math course. How many sections of each course should the department offer in order to ll all sections and accommodate all of the students? WAN EFMAC'I 4.1.040.MI. sections of Finite Math [:1 sections of Applied Calculus Need Help? 13. [8 Points] ASK YOUR TEACHER PRACTICE ANOTHER Investing: Inverse Mutual Funds Inverse mutual funds, sometimes referred to as "bear market" or "short" funds, seek to deliver the opposite of the performance of the index or category they track, and can thus be used by traders to bet against the stock market. This question is based on the following table, which shows the performance of three such funds as of February 271 2015.1 WAN EFMAC'I 4.3.017. Year-tn-dale Lass SHPIX (Short Smalloap Prolund) 4% RYURX (Rydex Inverse SQP 500) 3% RVCWX (Rydax Inverse Dow) 6% You invested a total of $8,000 in the three funds at the beginning of 2015, including an equal amount in RVURX and Rvax. Your year-tp-date loss from the rst twp funds amounted to $220. How much did you invest in each of the three funds? e1: RYURX 3:] w $i:] Need Help