8 times 3 = 24 +4= 28
4+3=7 times 8 =56
When you're combining 'like terms', look for all the terms that end with 'ab'.
Then add all the numbers that have 'ab' after them.
<u><em>function </em></u>: p(x) = 65 + 25(x)
for 3 sells
for 10 sells
So,
140 ≤ p(x) ≤ 315
Answer:
I attached a picture below of what the lines of symmetry are.
Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.
x=2/3, 0