1.if f(x)=3x and g(x)=7 , what is (f+g)(x)?
A.7(3x)
B3x/7
C3x-7
D(3/7)x

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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.

|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}