What is the standard form of the equation of a parabola that opens up or down

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?