Consider functions f and g. f(x) = sqrt(x^2+ 12x + 36)
g(x) = x^3– 12

Which expression is equal to f(x) · g(x)?

A. x^4 - 12x^3 + 61 - 72
B. 7x^3 – 12x – 72
C. X^4 + 6x^3 - 12x-72
D. X^4 – 6x^3 – 12x + 72

Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}