Which function is a quadratic function? u(x) = –x + 3x2 – 8v(x) = 2x2 + 8x3 + 9xy(x) = x2 + 3x5 + 4z(x) = 7x2 + 2x3 – 3

The trigonometric ratios sine and secant are reciprocals of each other

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches