Aclothing store uses the step function f(x) to recommend jeans sizes as a function of x, a child’s height in inches.

(first picture is equation)

according to the function, which is the height of a child who should wear size 2 jeans?

a.) 41.9 inches
b.) 42 inches
c.) 44 inches
d.) 44.1 inches

For which rational expression is -2 an excluded value of x?

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?

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)