Use the functions f(x)=4x+1,g(x)=2x2−6x, h(x)=−x2+3x−19 and for questions 18 - 20. A.) x²-9x-19
B.)3x²-9x+19
C.)-3x²-3x-19
D.)-3x²+9x-19

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"