Which pair of functions satisfies(f∘f−1)(x)=x and (f−1∘f)(x)=x? f(x)=x+3−−−−−√3 and f−1(x)=x3−3

f(x)=x+7−−−−−√, x≥−7, and f−1(x)=x+7

f(x)=x2+1 and f−1(x)=x+1−−−−−√, x≥−1

f(x)=x3+5 and f−1(x)=x−5−−−−−√, x≥5

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

If value of cos330° is √3/2 then find tan165°.