The answer to question 50 is A. 240 square feet
Look up online "equation calculator" and it should be the first one to appear, "Symbolab" supper easy way to help you with problems!
He should buy two 5 pound bags and one 2 pound bag.
A = x > -3 and x < 4
B = x >withlineunder -3 and x <withlineunder 4
C = X < - 3 or X > 4
F^1(-2) = 2(-2) = -4
f(-4) = 1/2 * -4 = -2
f(f^-1(x)) = x so answer is -2
