For the linear function ƒ(x) = 7x – 4, find the range of ƒ(x) at x = –2, 0, and 2. Question 19 options: A) ƒ(–2) = 10, ƒ(0) = –4, ƒ(2) = –18 B) ƒ(–2) = –18, ƒ(0) = –4, ƒ(2) = 10 C) ƒ(–2) = 18, ƒ(0) = –4, ƒ(2) = 10 D) ƒ(–2) = –18, ƒ(0) = 4, ƒ(2) = 10

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Is the square root of 4 plus the square root of 16 rational?