The following function represents the production cost f(x), in dollars, for x number of units produced by company 1:

f(x) = 0.15x2 − 6x + 400

The following table represents the production cost g(x), in dollars, for x number of units produced by company 2:

x g(x)
50 75
60 60
70 55
80 60
90 75

Based on the given information, determine which company has a lower minimum and find the minimum value.
g(x) at (70, 55)
f(x) at (20, 340)
f(x) at (70, 55)
g(x) at (20, 340)

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way