Astep function h(x) is represented by y = -21x1. which phrase best describes the range of the function h(x)?
all real numbers
all rational numbers
all negative integers
all even integers

What are the solutions to the equation 4x2+3x=24-x

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.