3. Find f(2) given f(x)=3x^2+ 2x + 16

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25