Find formulas for the functions f+g, f-g, and fg. Give the domain of each. f(x) = 7x, g(x) = x3
(f+9)(x) = 0
(Simplify your answer. Use integers or fractions for any numbers in the expression.)
(f-9)(x) =
(Simplify your answer. Use integers or fractions for any numbers in the expression.)
(f9)(x) =
(Simplify your answer. Use integers or fractions for any numbers in the expression.)
The domain for the functions f+g, f-g, and fg is
(Type your answer in interval notation.)

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?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad