Raphael L.

Identify an equation of the line tangent to y=2x^2+3 parallel to the 8x-y+3=0

Find dx/dt at x=1 if y=5x^2+5 and dy/dt=3.

A discrete random variable has probability mass function,P(X=n)= (1/2)nlet Y= {1, For x is even -1, For x is odd}find the expected value of Y; (E[y])

Consider the following reaction:A+2B⇌2C. K=10What is K for the reaction 2A +4B ⇌ 4C2A + 4B ⇌ 4Ca)20b)none of these c)The samed)100

During a severe rainstorm water enters a catch basin at a rate of 𝑅 𝑡 = −𝑡^2+ 4𝑡 (gallons/hour) where x is time in hours over the course of four hours 0 ≤ 𝑡 ≤ 4. Water leaves the catch basin via a... more

Solve the system:dx/dt = -4y+e^-tdy/dt=9x-e^-tI wish I could provide more info but my problem is that I'm not sure what method I need to use for this. This is from a study guide for my class that... more

Find the value of a for which the polynomial x^5-ax²-ax+1has −1 as a root with multiplicity at least 2.