Which are true of the function f(x) = 49? Select three options. The domain is the set of all real numbers. The range is the set of all real numbers. The domain is x > 0. The range is y > 0. As x increases by 1, each y-value is one-seventh of the previous y-value.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Abcd is a square. what is the measure of angle bac