4) Jaina is planning a study about false memories. She wants to compare false memories about emotional events and false memories about non-emotional events.
a. Suggest how Jaina could operationally define the IV in her study.
b. Suggest one possible ethical problem with Jaina's study.

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The outer ear canal and it protects you from getting bad infections. hope this xx

It is c) binge drinking alcohol 

You need to figure out at which x-value does the graph has a tangent line slope of -1.remember, the derivative is the slope of the tangent line. so find the derivative function and set it to equal -1 to find the x-value that will have a tangent line slope of 0.differentiate with the chain rule.    set the derivative to equal -1 and solve for x.      take log base 10 of both sides. also recall that  .    so the x-coord of the point of tangency is .the y-coordinate of this point of tangency can be calculated using the original function:     using point-slope form, the equation of the tangent line is      the x-intercept of this tangent line is when the graph is at y=0.    this rounds off to  .choice c.