(09.05 MC) Compare the following functions: f(x) = −4sin(x – 0.5) + 11 g(x) h(x) x y −2 14 −1 9 0 6 1 5 2 6 3 9 4 14 Which function has the smallest minimum?

(05.02) Solve 3x + 2 = 15 for x using the change of base formula .

(07.04 LC) What is the sum of the geometric sequence −4, 24, −144, … if there are 7 terms?

Choose the TRUE statement about female reproduction.

(08.05 MC) A spa owner gives a survey to all of her customers asking them to rate the quality of the service they received. She then keeps track of how many customers return to the spa for additional services during the next six months. Last year, the results showed that of the customers who reported high quality service, 15% returned for additional services. What conclusion can be drawn from this study?

Choose the TRUE statement about pregnancy.

1. 你吃 吃苹果？ 2. 我比我哥哥 高。 3. 小猫太可爱  ！ 4. 我家不 大。 5. 这个巧克力 好吃的。 6. 你想吃什么， 吃什么。

(08.06 MC) A random sample of 130 students is chosen from a population of 4,500 students. The mean IQ in the sample is 120, with a standard deviation of 5. What is the 99% confidence interval for the students’ mean IQ score?

(08.05 MC) A hairdresser owner gives a survey to all of her customers asking them to rate the quality of the service they received. She then keeps track of how many customers return to the salon during the next six months. Last year, the results showed that of the customers who reported high quality service, 95% returned. What conclusion can be drawn from this study?

(08.05 MC) Alma wants to prove to her parents that listening to music while she studies for her tests will help her get better grades. She decides to ask 15 of her friends if they listen to music while they study for tests and what their grades are. She finds that her friends who have high grades also listen to music while they study for tests. She tells her parents that she has proven that listening to music while studying for tests will cause her grades to improve. What mistake has Alma made?