After trying to do it the hard way, i remembered the easy way.
substitution:
because x = 6 and 6 is in the range of -6 < x < 9, we only need the equation 6x^(2) + 2
f(x) = 6x^(2) + 2
f(6) = 6(6)^(2) + 2
f(6) = 6(36) + 2
f(6) = 216 + 2
f(6) = 218
Answer:
b then a
Step-by-step explanation:
Me I would go with 3 time 6/7
The area of a triangle is a+b+c
