Caleb is on a hiking trail that goes north to south. If Caleb hikes xx miles north, his elevation, in feet, can be found using the function f(x)=(x+2)^2+200.f(x)=(x+2) 2
+200. Negative xx values would find the elevation if Caleb hiked south. Find and interpret the given function values and determine an appropriate domain for the function.

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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?