Let f(x) = x2 and g(x) = x − 3. Evaluate (g ∘ f)(0).

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?