Question one out of 10 two points

3x^2 +3/2x -9

Step-by-step explanation:

f(x) = x/2 -3

g(x) =3x^2 +x-6

f(x)+g(x) =  x/2 -3+3x^2 +x-6

Combine like terms

               = 3x^2 +x +x/2 -3-6

               =3x^2 +3/2x -9

answer: plz put a pic in so i can answer it

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.