The function f(x) = x2 undergoes a transformation. Which quadratic function represents a vertical stretch and a shift up of 3 units? A) f(x) = 2x2 + 3 B) f(x) = x2 − 3 C) f(x) = 1 5 x2 + 3 D) f(x) = 0.5x2 − 3

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Explain how you can use the associative property to evaluate (7x50)x4.

X+ y = 5 ; x - y =3 solve using linear combination