Answer:
the number of photocopies made
Step-by-step explanation:
The wording "a function of <em>the number of photocopies made</em>" tells you that "the number of photocopies made" is the independent variable.
___
The wording "y is a function of x" means x is the independent variable.
Answer:
-2
Step-by-step explanation:
f(x)=3x^2+5x-14
f(-3)=3(-3)^2+5(-3)-14
f(-3)=3(-3)(-3)-15-14
f(-3)=3(9)-29
f(-3)=27-29
f(-3)=-2
x = 160 gal
y = 80 gal
160 gallons of water and 80 gallons of premium antifreeze solution must be mixed.