Consider the function g(x) = x2 +7x-18/x2 + 2x - 8
Which type of discontinuity does the function have at x = -4?

jump
mixed
infinite
removable

What is the number 321,000,000 in scientific notation? also what is the number? ?

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?

Explain why the factor 1.5 is broke. into two numbers in the model.