Select the correct difference 5d^2+4d-3 less 3d^2-2d+4 a. 2d^2+2d+1 b. 2d^2+6d-7 c. 2d^2+6d+7 d. -2d^2-6d+1

Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4

Which of the following is true for the relation f(x)=2x^2+1

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers