Which function describes the sequence 3, 6, 12, 24, ... for n = 1, 2, 3, ...?
• A f(n) = 3n
© B. f(n) = 2" +1
O
C. f(n) = 3 - 2n-1
• D. f(n) = (n − 1)² +3

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?