50 POINTS 1. Find (f+g)(10)
f(x)=-4x+12
g(x)=3x+5

2. Find f(x)=10
f(x)=x^2-6

3. Find f(x)·g(x)
f(x)=-4x+12
g(x)=3x+5

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?