For f(x) = 3 x +1 and g(x) = x2 - 6, find (f-g)(x). O A. x2 – 3x - 7
B. - x2 + 3x-5
O C. - x2 + 3x + 7
O D. 3x2-17

Nick estimated that 5/8+4/7 is about 2.explain how you know his estimate is not reasonable plz and fast i will give 50 points

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)