Brett was given the problem: "Evaluate 2x^2 + 5 when x = 3." Brett wrote that the answer was 41. Was Brett correct? Explain your answer.

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

What is the inverse of the function f(x) = 2x + 1?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?